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70616512 = 263135593
BaseRepresentation
bin1000011010110…
…00010111000000
311220212200122101
410031120113000
5121034212022
611001320144
71515142021
oct415302700
9156780571
1070616512
113695225a
121b796054
1311826325
149542c48
1562ed627
hex43585c0

70616512 has 28 divisors (see below), whose sum is σ = 144654016. Its totient is φ = 34168320.

The previous prime is 70616503. The next prime is 70616519. The reversal of 70616512 is 21561607.

It is a super-2 number, since 2×706165122 = 9973383534092288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70616519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15813 + ... + 19780.

Almost surely, 270616512 is an apocalyptic number.

It is an amenable number.

70616512 is an abundant number, since it is smaller than the sum of its proper divisors (74037504).

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

70616512 is a wasteful number, since it uses less digits than its factorization.

70616512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35636 (or 35626 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 70616512 is about 8403.3631362687. The cubic root of 70616512 is about 413.3349103882.

The spelling of 70616512 in words is "seventy million, six hundred sixteen thousand, five hundred twelve".

Divisors: 1 2 4 8 16 31 32 62 64 124 248 496 992 1984 35593 71186 142372 284744 569488 1103383 1138976 2206766 2277952 4413532 8827064 17654128 35308256 70616512