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40082880 = 263543971
BaseRepresentation
bin1001100011100…
…1110111000000
32210102102101010
42120321313000
540230123010
63551040520
7664461465
oct230716700
983372333
1040082880
1120697952
1211510140
1383c54a6
14547566c
1537bb620
hex2639dc0

40082880 has 112 divisors (see below), whose sum is σ = 130356864. Its totient is φ = 10429440.

The previous prime is 40082873. The next prime is 40082891. The reversal of 40082880 is 8828004.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40795 + ... + 41765.

Almost surely, 240082880 is an apocalyptic number.

40082880 is a gapful number since it is divisible by the number (40) 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 40082880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65178432).

40082880 is an abundant number, since it is smaller than the sum of its proper divisors (90273984).

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

40082880 is a wasteful number, since it uses less digits than its factorization.

40082880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 40082880 is about 6331.1041691004. The cubic root of 40082880 is about 342.2312310616.

The spelling of 40082880 in words is "forty million, eighty-two thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 43 48 60 64 80 86 96 120 129 160 172 192 215 240 258 320 344 430 480 516 645 688 860 960 971 1032 1290 1376 1720 1942 2064 2580 2752 2913 3440 3884 4128 4855 5160 5826 6880 7768 8256 9710 10320 11652 13760 14565 15536 19420 20640 23304 29130 31072 38840 41280 41753 46608 58260 62144 77680 83506 93216 116520 125259 155360 167012 186432 208765 233040 250518 310720 334024 417530 466080 501036 626295 668048 835060 932160 1002072 1252590 1336096 1670120 2004144 2505180 2672192 3340240 4008288 5010360 6680480 8016576 10020720 13360960 20041440 40082880