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270440345 = 5749115737
BaseRepresentation
bin10000000111101…
…001011110011001
3200211212210102002
4100013221132121
51023213042340
642500250345
76462463550
oct2007513631
9624783362
10270440345
1112972491a
12766a09b5
134404b396
1427cbad97
1518b20715
hex101e9799

270440345 has 16 divisors (see below), whose sum is σ = 371668608. Its totient is φ = 185055360.

The previous prime is 270440323. The next prime is 270440381. The reversal of 270440345 is 543044072.

It is not a de Polignac number, because 270440345 - 28 = 270440089 is a prime.

It is a Duffinian 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, 9317 + ... + 25053.

It is an arithmetic number, because the mean of its divisors is an integer number (23229288).

Almost surely, 2270440345 is an apocalyptic number.

It is an amenable number.

270440345 is a deficient number, since it is larger than the sum of its proper divisors (101228263).

270440345 is a wasteful number, since it uses less digits than its factorization.

270440345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16240.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 270440345 is about 16445.0705380062. The cubic root of 270440345 is about 646.6815845155.

The spelling of 270440345 in words is "two hundred seventy million, four hundred forty thousand, three hundred forty-five".

Divisors: 1 5 7 35 491 2455 3437 15737 17185 78685 110159 550795 7726867 38634335 54088069 270440345