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258081002 = 21289100109
BaseRepresentation
bin11110110001000…
…00000011101010
3122222121212120122
433120200003222
51012032043002
641335323242
76252436514
oct1730400352
9588555518
10258081002
11122753093
1272520522
134161196a
14263c0bb4
15179cd6a2
hexf6200ea

258081002 has 8 divisors (see below), whose sum is σ = 387425700. Its totient is φ = 128939104.

The previous prime is 258080989. The next prime is 258081017. The reversal of 258081002 is 200180852.

It can be written as a sum of positive squares in 2 ways, for example, as 256288081 + 1792921 = 16009^2 + 1339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47477 + ... + 52632.

Almost surely, 2258081002 is an apocalyptic number.

258081002 is a deficient number, since it is larger than the sum of its proper divisors (129344698).

258081002 is a wasteful number, since it uses less digits than its factorization.

258081002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101400.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 258081002 is about 16064.8996884512. The cubic root of 258081002 is about 636.6762926583.

The spelling of 258081002 in words is "two hundred fifty-eight million, eighty-one thousand, two".

Divisors: 1 2 1289 2578 100109 200218 129040501 258081002