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3816493990 = 252691418771
BaseRepresentation
bin1110001101111011…
…0001001110100110
3100211222101222112021
43203132301032212
530304010301430
61430412413354
7163401443431
oct34336611646
910758358467
103816493990
111689347471
128a617725a
1348a8c0a8a
14282c26818
151750c807a
hexe37b13a6

3816493990 has 16 divisors (see below), whose sum is σ = 6895231920. Its totient is φ = 1520921440.

The previous prime is 3816493987. The next prime is 3816493991. The reversal of 3816493990 is 993946183.

It is a super-2 number, since 2×38164939902 = 29131252751412240200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3816493991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706696 + ... + 712075.

It is an arithmetic number, because the mean of its divisors is an integer number (430951995).

Almost surely, 23816493990 is an apocalyptic number.

3816493990 is a deficient number, since it is larger than the sum of its proper divisors (3078737930).

3816493990 is a wasteful number, since it uses less digits than its factorization.

3816493990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419047.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The square root of 3816493990 is about 61777.7790957234. The cubic root of 3816493990 is about 1562.7452742639.

The spelling of 3816493990 in words is "three billion, eight hundred sixteen million, four hundred ninety-three thousand, nine hundred ninety".

Divisors: 1 2 5 10 269 538 1345 2690 1418771 2837542 7093855 14187710 381649399 763298798 1908246995 3816493990