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70629552 = 24327411709
BaseRepresentation
bin1000011010110…
…11100010110000
311220220100112100
410031123202300
5121040121202
611001500400
71515225030
oct415334260
9156810470
1070629552
1136961034
121b7a1700
131182c246
1495478c0
15630241c
hex435b8b0

70629552 has 120 divisors (see below), whose sum is σ = 231547680. Its totient is φ = 19676160.

The previous prime is 70629551. The next prime is 70629589. The reversal of 70629552 is 25592607.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (70629551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40474 + ... + 42182.

It is an arithmetic number, because the mean of its divisors is an integer number (1929564).

Almost surely, 270629552 is an apocalyptic number.

70629552 is a gapful number since it is divisible by the number (72) 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 70629552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115773840).

70629552 is an abundant number, since it is smaller than the sum of its proper divisors (160918128).

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

70629552 is a wasteful number, since it uses less digits than its factorization.

70629552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771 (or 1762 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 70629552 is about 8404.1389802882. The cubic root of 70629552 is about 413.3603508759.

The spelling of 70629552 in words is "seventy million, six hundred twenty-nine thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 41 42 48 56 63 72 82 84 112 123 126 144 164 168 246 252 287 328 336 369 492 504 574 656 738 861 984 1008 1148 1476 1709 1722 1968 2296 2583 2952 3418 3444 4592 5127 5166 5904 6836 6888 10254 10332 11963 13672 13776 15381 20508 20664 23926 27344 30762 35889 41016 41328 47852 61524 70069 71778 82032 95704 107667 123048 140138 143556 191408 210207 215334 246096 280276 287112 420414 430668 490483 560552 574224 630621 840828 861336 980966 1121104 1261242 1471449 1681656 1722672 1961932 2522484 2942898 3363312 3923864 4414347 5044968 5885796 7847728 8828694 10089936 11771592 17657388 23543184 35314776 70629552