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258472053 = 36750651
BaseRepresentation
bin11110110011111…
…11100001110101
3200000100202000000
433121333201311
51012132101203
641351541513
76255655560
oct1731774165
9600322000
10258472053
1112299a974
127268a899
134171a958
14264834d7
1517a594a3
hexf67f875

258472053 has 28 divisors (see below), whose sum is σ = 442901088. Its totient is φ = 147695400.

The previous prime is 258472033. The next prime is 258472061. The reversal of 258472053 is 350274852.

258472053 is a `hidden beast` number, since 2 + 584 + 7 + 20 + 53 = 666.

It is not a de Polignac number, because 258472053 - 210 = 258471029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 258471999 and 258472017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258472033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 20223 + ... + 30428.

It is an arithmetic number, because the mean of its divisors is an integer number (15817896).

Almost surely, 2258472053 is an apocalyptic number.

It is an amenable number.

258472053 is a deficient number, since it is larger than the sum of its proper divisors (184429035).

258472053 is an frugal number, since it uses more digits than its factorization.

258472053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50676 (or 50661 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 258472053 is about 16077.0660569645. The cubic root of 258472053 is about 636.9976998324.

The spelling of 258472053 in words is "two hundred fifty-eight million, four hundred seventy-two thousand, fifty-three".

Divisors: 1 3 7 9 21 27 63 81 189 243 567 729 1701 5103 50651 151953 354557 455859 1063671 1367577 3191013 4102731 9573039 12308193 28719117 36924579 86157351 258472053