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70011480 = 23357117577
BaseRepresentation
bin1000010110001…
…00101001011000
311212201221200210
410023010221120
5120410331410
610540331120
71510042050
oct413045130
9155657623
1070011480
1136579730
121b543aa0
1311673b16
149426560
15622e220
hex42c4a58

70011480 has 128 divisors (see below), whose sum is σ = 261895680. Its totient is φ = 14545920.

The previous prime is 70011451. The next prime is 70011497. The reversal of 70011480 is 8411007.

70011480 = T1568 + T1569 + ... + T1622.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 5452 + ... + 13028.

It is an arithmetic number, because the mean of its divisors is an integer number (2046060).

Almost surely, 270011480 is an apocalyptic number.

70011480 is a gapful number since it is divisible by the number (70) 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 70011480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130947840).

70011480 is an abundant number, since it is smaller than the sum of its proper divisors (191884200).

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

70011480 is a wasteful number, since it uses less digits than its factorization.

70011480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7609 (or 7605 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 70011480 is about 8367.2862984363. The cubic root of 70011480 is about 412.1510584423.

Adding to 70011480 its reverse (8411007), we get a palindrome (78422487).

The spelling of 70011480 in words is "seventy million, eleven thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 11 12 14 15 20 21 22 24 28 30 33 35 40 42 44 55 56 60 66 70 77 84 88 105 110 120 132 140 154 165 168 210 220 231 264 280 308 330 385 420 440 462 616 660 770 840 924 1155 1320 1540 1848 2310 3080 4620 7577 9240 15154 22731 30308 37885 45462 53039 60616 75770 83347 90924 106078 113655 151540 159117 166694 181848 212156 227310 250041 265195 303080 318234 333388 416735 424312 454620 500082 530390 583429 636468 666776 795585 833470 909240 1000164 1060780 1166858 1250205 1272936 1591170 1666940 1750287 2000328 2121560 2333716 2500410 2917145 3182340 3333880 3500574 4667432 5000820 5834290 6364680 7001148 8751435 10001640 11668580 14002296 17502870 23337160 35005740 70011480