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258077054 = 2211611557
BaseRepresentation
bin11110110000111…
…11000101111110
3122222121200011102
433120133011332
51012031431204
641335253102
76252422144
oct1730370576
9588550142
10258077054
11122750124
127251a192
134160cc21
14263bd594
15179cc41e
hexf61f17e

258077054 has 8 divisors (see below), whose sum is σ = 388950888. Its totient is φ = 128426760.

The previous prime is 258077041. The next prime is 258077063. The reversal of 258077054 is 450770852.

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

It is a junction number, because it is equal to n+sod(n) for n = 258076999 and 258077017.

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, 305357 + ... + 306200.

It is an arithmetic number, because the mean of its divisors is an integer number (48618861).

Almost surely, 2258077054 is an apocalyptic number.

258077054 is a deficient number, since it is larger than the sum of its proper divisors (130873834).

258077054 is a wasteful number, since it uses less digits than its factorization.

258077054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611770.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 258077054 is about 16064.7768113970. The cubic root of 258077054 is about 636.6730461184.

The spelling of 258077054 in words is "two hundred fifty-eight million, seventy-seven thousand, fifty-four".

Divisors: 1 2 211 422 611557 1223114 129038527 258077054