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3999037 = 7389131
BaseRepresentation
bin1111010000010100111101
321112011122111
433100110331
52010432122
6221414021
745664000
oct17202475
97464574
103999037
112291599
12140a311
13aa02c3
14761537
1553ed77
hex3d053d

3999037 has 16 divisors (see below), whose sum is σ = 4752000. Its totient is φ = 3363360.

The previous prime is 3999001. The next prime is 3999053. The reversal of 3999037 is 7309993.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-3999037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3999067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30462 + ... + 30592.

It is an arithmetic number, because the mean of its divisors is an integer number (297000).

Almost surely, 23999037 is an apocalyptic number.

It is an amenable number.

3999037 is a deficient number, since it is larger than the sum of its proper divisors (752963).

3999037 is an equidigital number, since it uses as much as digits as its factorization.

3999037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 45927, while the sum is 40.

The square root of 3999037 is about 1999.7592355081. The cubic root of 3999037 is about 158.7273652809.

The spelling of 3999037 in words is "three million, nine hundred ninety-nine thousand, thirty-seven".

Divisors: 1 7 49 89 131 343 623 917 4361 6419 11659 30527 44933 81613 571291 3999037