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2057106740 = 2251321793631
BaseRepresentation
bin111101010011100…
…1111010100110100
312022100210211221112
41322213033110310
513203104403430
6540042534152
7101656055513
oct17247172464
95270724845
102057106740
11966201817
12494b07358
1326a250430
141572c267a
15c08e3195
hex7a9cf534

2057106740 has 48 divisors (see below), whose sum is σ = 4655642880. Its totient is φ = 758989440.

The previous prime is 2057106739. The next prime is 2057106761. The reversal of 2057106740 is 476017502.

It is a junction number, because it is equal to n+sod(n) for n = 2057106697 and 2057106706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 564725 + ... + 568355.

It is an arithmetic number, because the mean of its divisors is an integer number (96992560).

Almost surely, 22057106740 is an apocalyptic number.

2057106740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057106740 is an abundant number, since it is smaller than the sum of its proper divisors (2598536140).

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

2057106740 is a wasteful number, since it uses less digits than its factorization.

2057106740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832 (or 5830 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 2057106740 is about 45355.3386052844. The cubic root of 2057106740 is about 1271.8003564748.

The spelling of 2057106740 in words is "two billion, fifty-seven million, one hundred six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 2179 3631 4358 7262 8716 10895 14524 18155 21790 28327 36310 43580 47203 56654 72620 94406 113308 141635 188812 236015 283270 472030 566540 944060 7911949 15823898 31647796 39559745 79119490 102855337 158238980 205710674 411421348 514276685 1028553370 2057106740