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255343530 = 23513654727
BaseRepresentation
bin11110011100000…
…11101110101010
3122210110210110210
433032003232222
51010331443110
641200521550
76220245531
oct1716035652
9583423423
10255343530
11121153412
12716202b6
1340b93960
1425cab318
151763c520
hexf383baa

255343530 has 32 divisors (see below), whose sum is σ = 659965824. Its totient is φ = 62853696.

The previous prime is 255343513. The next prime is 255343541. The reversal of 255343530 is 35343552.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 326974 + ... + 327753.

It is an arithmetic number, because the mean of its divisors is an integer number (20623932).

Almost surely, 2255343530 is an apocalyptic number.

255343530 is an abundant number, since it is smaller than the sum of its proper divisors (404622294).

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

255343530 is a wasteful number, since it uses less digits than its factorization.

255343530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654750.

The product of its (nonzero) digits is 27000, while the sum is 30.

The square root of 255343530 is about 15979.4721439727. The cubic root of 255343530 is about 634.4172055849.

The spelling of 255343530 in words is "two hundred fifty-five million, three hundred forty-three thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 654727 1309454 1964181 3273635 3928362 6547270 8511451 9820905 17022902 19641810 25534353 42557255 51068706 85114510 127671765 255343530