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3207426828 = 223479675881
BaseRepresentation
bin1011111100101101…
…0111001100001100
322021112100011110020
42333023113030030
523032100124303
61250134142140
7142324451424
oct27713271414
98245304406
103207426828
1113a6566281
127561b1950
133c166c0c8
14225d9d484
1513b8b8a53
hexbf2d730c

3207426828 has 48 divisors (see below), whose sum is σ = 7652434944. Its totient is φ = 1045134720.

The previous prime is 3207426823. The next prime is 3207426829. The reversal of 3207426828 is 8286247023.

It is a self number, because there is not a number n which added to its sum of digits gives 3207426828.

It is not an unprimeable number, because it can be changed into a prime (3207426823) 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, 542448 + ... + 548328.

It is an arithmetic number, because the mean of its divisors is an integer number (159425728).

Almost surely, 23207426828 is an apocalyptic number.

It is an amenable number.

3207426828 is an abundant number, since it is smaller than the sum of its proper divisors (4445008116).

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

3207426828 is a wasteful number, since it uses less digits than its factorization.

3207426828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902 (or 6900 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 3207426828 is about 56634.1489562614. The cubic root of 3207426828 is about 1474.7517464795.

The spelling of 3207426828 in words is "three billion, two hundred seven million, four hundred twenty-six thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 967 1934 2901 3868 5802 5881 11604 11762 17643 23524 35286 45449 70572 90898 136347 181796 272694 276407 545388 552814 829221 1105628 1658442 3316884 5686927 11373854 17060781 22747708 34121562 68243124 267285569 534571138 801856707 1069142276 1603713414 3207426828