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2057605692 = 223171467141
BaseRepresentation
bin111101010100100…
…1001001000111100
312022101202012101020
41322221021020330
513203221340232
6540101344140
7101663234262
oct17251111074
95271665336
102057605692
1196651267a
12495108050
1326a39657c
141573b2432
15c0990e2c
hex7aa4923c

2057605692 has 12 divisors (see below), whose sum is σ = 4801079976. Its totient is φ = 685868560.

The previous prime is 2057605679. The next prime is 2057605699. The reversal of 2057605692 is 2965067502.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057605699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85733559 + ... + 85733582.

It is an arithmetic number, because the mean of its divisors is an integer number (400089998).

Almost surely, 22057605692 is an apocalyptic number.

It is an amenable number.

2057605692 is an abundant number, since it is smaller than the sum of its proper divisors (2743474284).

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

2057605692 is a wasteful number, since it uses less digits than its factorization.

2057605692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171467148 (or 171467146 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 2057605692 is about 45360.8387488591. The cubic root of 2057605692 is about 1271.9031733780.

The spelling of 2057605692 in words is "two billion, fifty-seven million, six hundred five thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 171467141 342934282 514401423 685868564 1028802846 2057605692