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39479290492 = 2231859309797
BaseRepresentation
bin100100110001001001…
…100010101001111100
310202220101020202100011
4210301021202221330
51121323144243432
630045254113004
72565222301165
oct446111425174
9122811222304
1039479290492
111581a037304
12779964b764
133952229125
141ca738476c
151060e2c847
hex931262a7c

39479290492 has 12 divisors (see below), whose sum is σ = 69091149960. Its totient is φ = 19738961936.

The previous prime is 39479290457. The next prime is 39479290537. The reversal of 39479290492 is 29409297493.

It is a super-2 number, since 2×394792904922 (a number of 22 digits) contains 22 as substring.

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, 27463 + ... + 282334.

It is an arithmetic number, because the mean of its divisors is an integer number (5757595830).

Almost surely, 239479290492 is an apocalyptic number.

It is an amenable number.

39479290492 is a deficient number, since it is larger than the sum of its proper divisors (29611859468).

39479290492 is a wasteful number, since it uses less digits than its factorization.

39479290492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341660 (or 341658 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 39479290492 in words is "thirty-nine billion, four hundred seventy-nine million, two hundred ninety thousand, four hundred ninety-two".

Divisors: 1 2 4 31859 63718 127436 309797 619594 1239188 9869822623 19739645246 39479290492