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3857427030 = 235314147771
BaseRepresentation
bin1110010111101011…
…1010101001010110
3100221211102121002210
43211322322221112
530400000131110
61434434014250
7164406405642
oct34572725126
910854377083
103857427030
1116aa465026
128b7a17386
13496223202
1428843dc22
151789b1520
hexe5ebaa56

3857427030 has 32 divisors (see below), whose sum is σ = 9556466688. Its totient is φ = 995464800.

The previous prime is 3857427029. The next prime is 3857427071. The reversal of 3857427030 is 307247583.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3857427030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2072956 + ... + 2074815.

It is an arithmetic number, because the mean of its divisors is an integer number (298639584).

Almost surely, 23857427030 is an apocalyptic number.

3857427030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3857427030 is an abundant number, since it is smaller than the sum of its proper divisors (5699039658).

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

3857427030 is a wasteful number, since it uses less digits than its factorization.

3857427030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147812.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 3857427030 is about 62108.1881075273. The cubic root of 3857427030 is about 1568.3123886805.

The spelling of 3857427030 in words is "three billion, eight hundred fifty-seven million, four hundred twenty-seven thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 4147771 8295542 12443313 20738855 24886626 41477710 62216565 124433130 128580901 257161802 385742703 642904505 771485406 1285809010 1928713515 3857427030