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258361404 = 22378337057
BaseRepresentation
bin11110110011001…
…00100000111100
3200000011010012220
433121210200330
51012120031104
641345325340
76255015150
oct1731444074
9600133186
10258361404
11122924824
1272636850
13416ac492
1426455060
1517a367d9
hexf66483c

258361404 has 48 divisors (see below), whose sum is σ = 697283328. Its totient is φ = 72926208.

The previous prime is 258361361. The next prime is 258361429. The reversal of 258361404 is 404163852.

258361404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11557 + ... + 25500.

It is an arithmetic number, because the mean of its divisors is an integer number (14526736).

Almost surely, 2258361404 is an apocalyptic number.

It is an amenable number.

258361404 is an abundant number, since it is smaller than the sum of its proper divisors (438921924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258361404 is a wasteful number, since it uses less digits than its factorization.

258361404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37154 (or 37152 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 258361404 is about 16073.6244823624. The cubic root of 258361404 is about 636.9067896576.

The spelling of 258361404 in words is "two hundred fifty-eight million, three hundred sixty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 83 84 166 249 332 498 581 996 1162 1743 2324 3486 6972 37057 74114 111171 148228 222342 259399 444684 518798 778197 1037596 1556394 3075731 3112788 6151462 9227193 12302924 18454386 21530117 36908772 43060234 64590351 86120468 129180702 258361404