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39490892 = 2271974231
BaseRepresentation
bin1001011010100…
…1010101001100
32202022100022122
42112221111030
540102202032
63530232112
7656444540
oct226512514
982270278
1039490892
1120323101
1211285638
138248bbc
14535da20
153701012
hex25a954c

39490892 has 24 divisors (see below), whose sum is σ = 83139840. Its totient is φ = 16033680.

The previous prime is 39490889. The next prime is 39490907. The reversal of 39490892 is 29809493.

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, 36584 + ... + 37647.

It is an arithmetic number, because the mean of its divisors is an integer number (3464160).

Almost surely, 239490892 is an apocalyptic number.

It is an amenable number.

39490892 is an abundant number, since it is smaller than the sum of its proper divisors (43648948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39490892 is a wasteful number, since it uses less digits than its factorization.

39490892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74261 (or 74259 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 39490892 is about 6284.1779096394. The cubic root of 39490892 is about 340.5380523469.

The spelling of 39490892 in words is "thirty-nine million, four hundred ninety thousand, eight hundred ninety-two".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 74231 148462 296924 519617 1039234 1410389 2078468 2820778 5641556 9872723 19745446 39490892