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3900654949 = 31166975391
BaseRepresentation
bin1110100001111111…
…0100010101100101
3101001211202210122211
43220133310111211
530442031424244
61443020323421
7165443006602
oct35037642545
911054683584
103900654949
1117218aa884
1290a3a3571
134a217a069
142900936a9
1517c69e934
hexe87f4565

3900654949 has 8 divisors (see below), whose sum is σ = 4028948480. Its totient is φ = 3772515600.

The previous prime is 3900654937. The next prime is 3900654971. The reversal of 3900654949 is 9494560093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3900654949 - 215 = 3900622181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900654929) 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, 14044 + ... + 89434.

It is an arithmetic number, because the mean of its divisors is an integer number (503618560).

Almost surely, 23900654949 is an apocalyptic number.

It is an amenable number.

3900654949 is a deficient number, since it is larger than the sum of its proper divisors (128293531).

3900654949 is a wasteful number, since it uses less digits than its factorization.

3900654949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77091.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 3900654949 is about 62455.2235525580. The cubic root of 3900654949 is about 1574.1490253424.

The spelling of 3900654949 in words is "three billion, nine hundred million, six hundred fifty-four thousand, nine hundred forty-nine".

Divisors: 1 31 1669 51739 75391 2337121 125827579 3900654949