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70512444 = 2234367593
BaseRepresentation
bin1000011001111…
…10111100111100
311220200101220000
410030332330330
5121022344234
610555154300
71514226432
oct414767474
9156611800
1070512444
1136891052
121b745990
13117bab52
149516d52
1562cc899
hex433ef3c

70512444 has 60 divisors (see below), whose sum is σ = 185147424. Its totient is φ = 23400576.

The previous prime is 70512437. The next prime is 70512451. The reversal of 70512444 is 44421507.

It is an interprime number because it is at equal distance from previous prime (70512437) and next prime (70512451).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 118612 + ... + 119204.

Almost surely, 270512444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70512444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92573712).

70512444 is an abundant number, since it is smaller than the sum of its proper divisors (114634980).

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

70512444 is a wasteful number, since it uses less digits than its factorization.

70512444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 70512444 is about 8397.1688085926. The cubic root of 70512444 is about 413.1317658072.

The spelling of 70512444 in words is "seventy million, five hundred twelve thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 367 593 734 1101 1186 1468 1779 2202 2372 3303 3558 4404 5337 6606 7116 9909 10674 13212 16011 19818 21348 29727 32022 39636 48033 59454 64044 96066 118908 192132 217631 435262 652893 870524 1305786 1958679 2611572 3917358 5876037 7834716 11752074 17628111 23504148 35256222 70512444