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258701442 = 2347917381
BaseRepresentation
bin11110110101101…
…11100010000010
3200000210101122220
433122313202002
51012211421232
641400511510
76260632416
oct1732674202
9600711586
10258701442
1112303724a
127277b596
134179b19c
1426502d46
1517aa242c
hexf6b7882

258701442 has 16 divisors (see below), whose sum is σ = 528412032. Its totient is φ = 84398960.

The previous prime is 258701437. The next prime is 258701453. The reversal of 258701442 is 244107852.

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, 458409 + ... + 458972.

It is an arithmetic number, because the mean of its divisors is an integer number (33025752).

Almost surely, 2258701442 is an apocalyptic number.

258701442 is an abundant number, since it is smaller than the sum of its proper divisors (269710590).

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

258701442 is a wasteful number, since it uses less digits than its factorization.

258701442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917433.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 258701442 is about 16084.1985190435. The cubic root of 258701442 is about 637.1860852028.

The spelling of 258701442 in words is "two hundred fifty-eight million, seven hundred one thousand, four hundred forty-two".

Divisors: 1 2 3 6 47 94 141 282 917381 1834762 2752143 5504286 43116907 86233814 129350721 258701442