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2557403352 = 233275074213
BaseRepresentation
bin1001100001101110…
…1110000011011000
320121020012112212200
42120123232003120
520214143401402
61101434010200
7120242366310
oct23033560330
96536175780
102557403352
1110a2650a99
125b4576960
13319aaa52a
141a3914440
15ee7b921c
hex986ee0d8

2557403352 has 48 divisors (see below), whose sum is σ = 7915773840. Its totient is φ = 730686528.

The previous prime is 2557403297. The next prime is 2557403389. The reversal of 2557403352 is 2533047552.

2557403352 is a `hidden beast` number, since 2 + 5 + 574 + 0 + 33 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2536603 + ... + 2537610.

It is an arithmetic number, because the mean of its divisors is an integer number (164911955).

Almost surely, 22557403352 is an apocalyptic number.

It is an amenable number.

2557403352 is an abundant number, since it is smaller than the sum of its proper divisors (5358370488).

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

2557403352 is a wasteful number, since it uses less digits than its factorization.

2557403352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074232 (or 5074225 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 36.

The square root of 2557403352 is about 50570.7756713302. The cubic root of 2557403352 is about 1367.5180794533.

The spelling of 2557403352 in words is "two billion, five hundred fifty-seven million, four hundred three thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 5074213 10148426 15222639 20296852 30445278 35519491 40593704 45667917 60890556 71038982 91335834 106558473 121781112 142077964 182671668 213116946 284155928 319675419 365343336 426233892 639350838 852467784 1278701676 2557403352