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70392544 = 2512717321
BaseRepresentation
bin1000011001000…
…01101011100000
311220110022102021
410030201223200
5121010030134
610552431224
71513220035
oct414415340
9156408367
1070392544
1136809a62
121b6a8514
13117783c1
1494c538c
1562a70b4
hex4321ae0

70392544 has 24 divisors (see below), whose sum is σ = 139684608. Its totient is φ = 34917120.

The previous prime is 70392499. The next prime is 70392547. The reversal of 70392544 is 44529307.

It is a super-2 number, since 2×703925442 = 9910220501583872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70392547) 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, 4597 + ... + 12724.

It is an arithmetic number, because the mean of its divisors is an integer number (5820192).

Almost surely, 270392544 is an apocalyptic number.

It is an amenable number.

70392544 is a deficient number, since it is larger than the sum of its proper divisors (69292064).

70392544 is a wasteful number, since it uses less digits than its factorization.

70392544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17458 (or 17450 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 70392544 is about 8390.0264600298. The cubic root of 70392544 is about 412.8974686214.

The spelling of 70392544 in words is "seventy million, three hundred ninety-two thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 32 127 254 508 1016 2032 4064 17321 34642 69284 138568 277136 554272 2199767 4399534 8799068 17598136 35196272 70392544