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42395402 = 279731219
BaseRepresentation
bin1010000110111…
…0011100001010
32221202220120002
42201232130022
541323123102
64112403002
71023232520
oct241563412
987686502
1042395402
1121a27325
1212246462
138a24c4a
1458b8310
153ac6902
hex286e70a

42395402 has 16 divisors (see below), whose sum is σ = 73429440. Its totient is φ = 17981568.

The previous prime is 42395393. The next prime is 42395411. The reversal of 42395402 is 20459324.

It is an interprime number because it is at equal distance from previous prime (42395393) and next prime (42395411).

It is a super-2 number, since 2×423954022 = 3594740221483208, which contains 22 as substring.

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, 14252 + ... + 16967.

It is an arithmetic number, because the mean of its divisors is an integer number (4589340).

Almost surely, 242395402 is an apocalyptic number.

42395402 is a deficient number, since it is larger than the sum of its proper divisors (31034038).

42395402 is a wasteful number, since it uses less digits than its factorization.

42395402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31325.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 42395402 is about 6511.1751627490. The cubic root of 42395402 is about 348.6900749631.

The spelling of 42395402 in words is "forty-two million, three hundred ninety-five thousand, four hundred two".

Divisors: 1 2 7 14 97 194 679 1358 31219 62438 218533 437066 3028243 6056486 21197701 42395402