Search a number
-
+
57404252828 = 22132957373327
BaseRepresentation
bin110101011101100011…
…110110001010011100
312111011121020012001002
4311131203312022130
51420030442042303
642212100205432
74101350045456
oct653543661234
9174147205032
1057404252828
112238822786a
12b160699878
13554aa45c10
142ac7c3b2d6
15175e912788
hexd5d8f629c

57404252828 has 24 divisors (see below), whose sum is σ = 108221813952. Its totient is φ = 26485239744.

The previous prime is 57404252819. The next prime is 57404252861. The reversal of 57404252828 is 82825240475.

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, 32900 + ... + 340427.

It is an arithmetic number, because the mean of its divisors is an integer number (4509242248).

Almost surely, 257404252828 is an apocalyptic number.

It is an amenable number.

57404252828 is a deficient number, since it is larger than the sum of its proper divisors (50817561124).

57404252828 is a wasteful number, since it uses less digits than its factorization.

57404252828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376301 (or 376299 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 47.

The spelling of 57404252828 in words is "fifty-seven billion, four hundred four million, two hundred fifty-two thousand, eight hundred twenty-eight".

Divisors: 1 2 4 13 26 52 2957 5914 11828 38441 76882 153764 373327 746654 1493308 4853251 9706502 19413004 1103927939 2207855878 4415711756 14351063207 28702126414 57404252828