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70028542 = 2173076709
BaseRepresentation
bin1000010110010…
…00110011111110
311212202211002201
410023020303332
5120411403132
610540542114
71510142563
oct413106376
9155684081
1070028542
1136590531
121b55193a
131167b80c
14942c86a
1562342e7
hex42c8cfe

70028542 has 16 divisors (see below), whose sum is σ = 111600720. Its totient is φ = 32842368.

The previous prime is 70028527. The next prime is 70028551. The reversal of 70028542 is 24582007.

It is a self number, because there is not a number n which added to its sum of digits gives 70028542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7084 + ... + 13792.

It is an arithmetic number, because the mean of its divisors is an integer number (6975045).

Almost surely, 270028542 is an apocalyptic number.

70028542 is a deficient number, since it is larger than the sum of its proper divisors (41572178).

70028542 is a wasteful number, since it uses less digits than its factorization.

70028542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 70028542 is about 8368.3058022517. The cubic root of 70028542 is about 412.1845365242.

The spelling of 70028542 in words is "seventy million, twenty-eight thousand, five hundred forty-two".

Divisors: 1 2 17 34 307 614 5219 6709 10438 13418 114053 228106 2059663 4119326 35014271 70028542