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258953428 = 22227285191
BaseRepresentation
bin11110110111101…
…01000011010100
3200001021012022201
433123311003110
51012243002203
641410134244
76263032156
oct1733650324
9601235281
10258953428
111231995a8
1272881384
1341858aa6
142656aad6
1517b01e1d
hexf6f50d4

258953428 has 12 divisors (see below), whose sum is σ = 455166432. Its totient is φ = 128905880.

The previous prime is 258953341. The next prime is 258953449. The reversal of 258953428 is 824359852.

It is a congruent number.

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, 141688 + ... + 143503.

It is an arithmetic number, because the mean of its divisors is an integer number (37930536).

Almost surely, 2258953428 is an apocalyptic number.

It is an amenable number.

258953428 is a deficient number, since it is larger than the sum of its proper divisors (196213004).

258953428 is a wasteful number, since it uses less digits than its factorization.

258953428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285422 (or 285420 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The square root of 258953428 is about 16092.0299527437. The cubic root of 258953428 is about 637.3929000141.

The spelling of 258953428 in words is "two hundred fifty-eight million, nine hundred fifty-three thousand, four hundred twenty-eight".

Divisors: 1 2 4 227 454 908 285191 570382 1140764 64738357 129476714 258953428