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1407115920 = 243573722637
BaseRepresentation
bin101001111011110…
…1110001010010000
310122001201220011110
41103313232022100
510340210202140
6351343213320
746604200530
oct12367561220
93561656143
101407115920
1166230a021
123332a7240
131956a0692
14d4c454c0
15837ed380
hex53dee290

1407115920 has 160 divisors (see below), whose sum is σ = 5120172288. Its totient is φ = 312920064.

The previous prime is 1407115877. The next prime is 1407115943. The reversal of 1407115920 is 295117041.

1407115920 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50842 + ... + 73478.

Almost surely, 21407115920 is an apocalyptic number.

1407115920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1407115920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2560086144).

1407115920 is an abundant number, since it is smaller than the sum of its proper divisors (3713056368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1407115920 is a wasteful number, since it uses less digits than its factorization.

1407115920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22697 (or 22691 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1407115920 is about 37511.5438232019. The cubic root of 1407115920 is about 1120.5810972627.

The spelling of 1407115920 in words is "one billion, four hundred seven million, one hundred fifteen thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 37 40 42 48 56 60 70 74 80 84 105 111 112 120 140 148 168 185 210 222 240 259 280 296 336 370 420 444 518 555 560 592 740 777 840 888 1036 1110 1295 1480 1554 1680 1776 2072 2220 2590 2960 3108 3885 4144 4440 5180 6216 7770 8880 10360 12432 15540 20720 22637 31080 45274 62160 67911 90548 113185 135822 158459 181096 226370 271644 316918 339555 362192 452740 475377 543288 633836 679110 792295 837569 905480 950754 1086576 1267672 1358220 1584590 1675138 1810960 1901508 2376885 2512707 2535344 2716440 3169180 3350276 3803016 4187845 4753770 5025414 5432880 5862983 6338360 6700552 7606032 8375690 9507540 10050828 11725966 12563535 12676720 13401104 16751380 17588949 19015080 20101656 23451932 25127070 29314915 33502760 35177898 38030160 40203312 46903864 50254140 58629830 67005520 70355796 87944745 93807728 100508280 117259660 140711592 175889490 201016560 234519320 281423184 351778980 469038640 703557960 1407115920