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258971404 = 22173808403
BaseRepresentation
bin11110110111110…
…01011100001100
3200001022002222111
433123321130030
51012244041104
641410353404
76263135446
oct1733713414
9601262874
10258971404
1112320105a
127288b864
1341864023
1426573496
1517b07404
hexf6f970c

258971404 has 12 divisors (see below), whose sum is σ = 479858904. Its totient is φ = 121868864.

The previous prime is 258971381. The next prime is 258971429. The reversal of 258971404 is 404179852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904134 + ... + 1904269.

It is an arithmetic number, because the mean of its divisors is an integer number (39988242).

Almost surely, 2258971404 is an apocalyptic number.

It is an amenable number.

258971404 is a deficient number, since it is larger than the sum of its proper divisors (220887500).

258971404 is a wasteful number, since it uses less digits than its factorization.

258971404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808424 (or 3808422 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 258971404 is about 16092.5884804154. The cubic root of 258971404 is about 637.4076484958.

The spelling of 258971404 in words is "two hundred fifty-eight million, nine hundred seventy-one thousand, four hundred four".

Divisors: 1 2 4 17 34 68 3808403 7616806 15233612 64742851 129485702 258971404