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3993061492 = 2271189711987
BaseRepresentation
bin1110111000000001…
…0100100001110100
3101022021122112121101
43232000110201310
531134210431432
61500121055444
7200644314460
oct35600244164
911267575541
103993061492
111769a85222
12935327584
134b83624a4
1429c4694a0
151858544e7
hexee014874

3993061492 has 24 divisors (see below), whose sum is σ = 7987460544. Its totient is φ = 1711025472.

The previous prime is 3993061481. The next prime is 3993061543. The reversal of 3993061492 is 2941603993.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327123 + ... + 339109.

It is an arithmetic number, because the mean of its divisors is an integer number (332810856).

Almost surely, 23993061492 is an apocalyptic number.

It is an amenable number.

3993061492 is an abundant number, since it is smaller than the sum of its proper divisors (3994399052).

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

3993061492 is a wasteful number, since it uses less digits than its factorization.

3993061492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23895 (or 23893 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 3993061492 is about 63190.6756729187. The cubic root of 3993061492 is about 1586.4826711724.

The spelling of 3993061492 in words is "three billion, nine hundred ninety-three million, sixty-one thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 11897 11987 23794 23974 47588 47948 83279 83909 166558 167818 333116 335636 142609339 285218678 570437356 998265373 1996530746 3993061492