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2057575321 = 4575038951
BaseRepresentation
bin111101010100100…
…0001101110011001
312022101200122201101
41322221001232121
513203214402241
6540100551401
7101663046604
oct17251015631
95271618641
102057575321
119664a187a
124950b2561
1326a3857b9
141573a533b
15c0986e31
hex7aa41b99

2057575321 has 8 divisors (see below), whose sum is σ = 2066408064. Its totient is φ = 2048762400.

The previous prime is 2057575313. The next prime is 2057575357. The reversal of 2057575321 is 1235757502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2057575321 - 23 = 2057575313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057575301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225396 + ... + 234346.

It is an arithmetic number, because the mean of its divisors is an integer number (258301008).

Almost surely, 22057575321 is an apocalyptic number.

It is an amenable number.

2057575321 is a deficient number, since it is larger than the sum of its proper divisors (8832743).

2057575321 is an equidigital number, since it uses as much as digits as its factorization.

2057575321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9911.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 2057575321 is about 45360.5039764772. The cubic root of 2057575321 is about 1271.8969154311.

The spelling of 2057575321 in words is "two billion, fifty-seven million, five hundred seventy-five thousand, three hundred twenty-one".

Divisors: 1 457 503 8951 229871 4090607 4502353 2057575321