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442372508 = 22791399913
BaseRepresentation
bin11010010111100…
…001000110011100
31010211101211222222
4122113201012130
51401221410013
6111521324512
713651050524
oct3227410634
91124354888
10442372508
11207787016
12104196738
1370858ca6
1442a74684
1528c83508
hex1a5e119c

442372508 has 12 divisors (see below), whose sum is σ = 783951840. Its totient is φ = 218386272.

The previous prime is 442372417. The next prime is 442372577. The reversal of 442372508 is 805273244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699641 + ... + 700272.

It is an arithmetic number, because the mean of its divisors is an integer number (65329320).

Almost surely, 2442372508 is an apocalyptic number.

It is an amenable number.

442372508 is a deficient number, since it is larger than the sum of its proper divisors (341579332).

442372508 is a wasteful number, since it uses less digits than its factorization.

442372508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399996 (or 1399994 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 442372508 is about 21032.6533751688. The cubic root of 442372508 is about 761.9550931897.

The spelling of 442372508 in words is "four hundred forty-two million, three hundred seventy-two thousand, five hundred eight".

Divisors: 1 2 4 79 158 316 1399913 2799826 5599652 110593127 221186254 442372508