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3057878421 = 3213471075197
BaseRepresentation
bin1011011001000011…
…1000010110010101
321220002221022121100
42312100320112111
522230304102141
61223232540313
7135530352303
oct26620702625
97802838540
103057878421
11132a102354
127140b1699
1339969a920
14210191273
1512d6c80b6
hexb6438595

3057878421 has 48 divisors (see below), whose sum is σ = 4904250624. Its totient is φ = 1824170112.

The previous prime is 3057878413. The next prime is 3057878429. The reversal of 3057878421 is 1248787503.

3057878421 is a `hidden beast` number, since 3 + 0 + 578 + 78 + 4 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (3057878413) and next prime (3057878429).

It is not a de Polignac number, because 3057878421 - 23 = 3057878413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3057878429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 585795 + ... + 590991.

It is an arithmetic number, because the mean of its divisors is an integer number (102171888).

Almost surely, 23057878421 is an apocalyptic number.

It is an amenable number.

3057878421 is a deficient number, since it is larger than the sum of its proper divisors (1846372203).

3057878421 is a wasteful number, since it uses less digits than its factorization.

3057878421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370 (or 5367 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 3057878421 is about 55298.0869560602. The cubic root of 3057878421 is about 1451.4655686918.

The spelling of 3057878421 in words is "three billion, fifty-seven million, eight hundred seventy-eight thousand, four hundred twenty-one".

Divisors: 1 3 9 13 39 47 107 117 141 321 423 611 963 1391 1833 4173 5029 5197 5499 12519 15087 15591 45261 46773 65377 67561 196131 202683 244259 556079 588393 608049 732777 1668237 2198331 3175367 5004711 7229027 9526101 21687081 26135713 28578303 65061243 78407139 235221417 339764269 1019292807 3057878421