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258740412 = 22373080243
BaseRepresentation
bin11110110110000…
…01000010111100
3200000212101010020
433123001002330
51012214143122
641401412140
76261154140
oct1733010274
9600771106
10258740412
11123063557
127279a050
13417b2b48
1426513220
1517aadc5c
hexf6c10bc

258740412 has 24 divisors (see below), whose sum is σ = 689974656. Its totient is φ = 73925808.

The previous prime is 258740393. The next prime is 258740473. The reversal of 258740412 is 214047852.

258740412 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 7 ways as a sum of consecutive naturals, for example, 1540038 + ... + 1540205.

It is an arithmetic number, because the mean of its divisors is an integer number (28748944).

Almost surely, 2258740412 is an apocalyptic number.

It is an amenable number.

258740412 is an abundant number, since it is smaller than the sum of its proper divisors (431234244).

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

258740412 is a wasteful number, since it uses less digits than its factorization.

258740412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080257 (or 3080255 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 258740412 is about 16085.4099108478. The cubic root of 258740412 is about 637.2180781891.

The spelling of 258740412 in words is "two hundred fifty-eight million, seven hundred forty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 3080243 6160486 9240729 12320972 18481458 21561701 36962916 43123402 64685103 86246804 129370206 258740412