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258080939 = 2291126991
BaseRepresentation
bin11110110001000…
…00000010101011
3122222121212111022
433120200002223
51012032042224
641335323055
76252436364
oct1730400253
9588555438
10258080939
11122753036
127252048b
134161191c
14263c0b6b
15179cd65e
hexf6200ab

258080939 has 4 divisors (see below), whose sum is σ = 259208160. Its totient is φ = 256953720.

The previous prime is 258080923. The next prime is 258080941. The reversal of 258080939 is 939080852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 258080939 - 24 = 258080923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 258080939.

It is not an unprimeable number, because it can be changed into a prime (258080909) 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, 563267 + ... + 563724.

It is an arithmetic number, because the mean of its divisors is an integer number (64802040).

Almost surely, 2258080939 is an apocalyptic number.

258080939 is a deficient number, since it is larger than the sum of its proper divisors (1127221).

258080939 is a wasteful number, since it uses less digits than its factorization.

258080939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127220.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 258080939 is about 16064.8977276545. The cubic root of 258080939 is about 636.6762408521.

The spelling of 258080939 in words is "two hundred fifty-eight million, eighty thousand, nine hundred thirty-nine".

Divisors: 1 229 1126991 258080939