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357250745 = 5233306653
BaseRepresentation
bin10101010010110…
…011011010111001
3220220020012220002
4111102303122321
51212424010440
655241042345
711565403235
oct2522633271
9826205802
10357250745
11173727855
129b7863b5
1359024597
14356375c5
152156c115
hex154b36b9

357250745 has 8 divisors (see below), whose sum is σ = 430542216. Its totient is φ = 284573056.

The previous prime is 357250721. The next prime is 357250757. The reversal of 357250745 is 547052753.

It can be written as a sum of positive squares in 4 ways, for example, as 17106496 + 340144249 = 4136^2 + 18443^2 .

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 357250745 - 28 = 357250489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 357250699 and 357250708.

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, 152162 + ... + 154491.

It is an arithmetic number, because the mean of its divisors is an integer number (53817777).

Almost surely, 2357250745 is an apocalyptic number.

It is an amenable number.

357250745 is a deficient number, since it is larger than the sum of its proper divisors (73291471).

357250745 is a wasteful number, since it uses less digits than its factorization.

357250745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306891.

The product of its (nonzero) digits is 147000, while the sum is 38.

The square root of 357250745 is about 18901.0778793168. The cubic root of 357250745 is about 709.5631412963.

The spelling of 357250745 in words is "three hundred fifty-seven million, two hundred fifty thousand, seven hundred forty-five".

Divisors: 1 5 233 1165 306653 1533265 71450149 357250745