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70030534 = 2729172489
BaseRepresentation
bin1000010110010…
…01010011000110
311212202220211111
410023021103012
5120411434114
610540555234
71510151440
oct413112306
9155686744
1070030534
1136591a82
121b552b1a
131167c6b2
14942d490
156234bc4
hex42c94c6

70030534 has 16 divisors (see below), whose sum is σ = 124192800. Its totient is φ = 28977984.

The previous prime is 70030511. The next prime is 70030547. The reversal of 70030534 is 43503007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85839 + ... + 86650.

It is an arithmetic number, because the mean of its divisors is an integer number (7762050).

Almost surely, 270030534 is an apocalyptic number.

70030534 is a deficient number, since it is larger than the sum of its proper divisors (54162266).

70030534 is a wasteful number, since it uses less digits than its factorization.

70030534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172527.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 70030534 is about 8368.4248219124. The cubic root of 70030534 is about 412.1884447584.

The spelling of 70030534 in words is "seventy million, thirty thousand, five hundred thirty-four".

Divisors: 1 2 7 14 29 58 203 406 172489 344978 1207423 2414846 5002181 10004362 35015267 70030534