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3945303264 = 25375870987
BaseRepresentation
bin1110101100101000…
…1000110011100000
3101011221210011122010
43223022020303200
531034444201024
61451253312520
7166524344610
oct35312106340
911157704563
103945303264
111745025811
12921335740
134ab4b0596
14295d96a40
1518156db29
hexeb288ce0

3945303264 has 48 divisors (see below), whose sum is σ = 11835911808. Its totient is φ = 1127229312.

The previous prime is 3945303259. The next prime is 3945303311. The reversal of 3945303264 is 4623035493.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2934822 + ... + 2936165.

It is an arithmetic number, because the mean of its divisors is an integer number (246581496).

Almost surely, 23945303264 is an apocalyptic number.

It is an amenable number.

3945303264 is an abundant number, since it is smaller than the sum of its proper divisors (7890608544).

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

3945303264 is a wasteful number, since it uses less digits than its factorization.

3945303264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5871007 (or 5870999 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

The square root of 3945303264 is about 62811.6491106546. The cubic root of 3945303264 is about 1580.1323480441.

The spelling of 3945303264 in words is "three billion, nine hundred forty-five million, three hundred three thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 5870987 11741974 17612961 23483948 35225922 41096909 46967896 70451844 82193818 93935792 123290727 140903688 164387636 187871584 246581454 281807376 328775272 493162908 563614752 657550544 986325816 1315101088 1972651632 3945303264