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258474380 = 225103271463
BaseRepresentation
bin11110110100000…
…00000110001100
3200000100212012012
433122000012030
51012132140010
641352000352
76255665423
oct1732000614
9600325165
10258474380
111229a169a
12726900b8
134171ba28
14264842ba
1517a5a005
hexf68018c

258474380 has 48 divisors (see below), whose sum is σ = 551276544. Its totient is φ = 101787840.

The previous prime is 258474353. The next prime is 258474407. The reversal of 258474380 is 83474852.

It is an interprime number because it is at equal distance from previous prime (258474353) and next prime (258474407).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558029 + ... + 558491.

It is an arithmetic number, because the mean of its divisors is an integer number (11484928).

Almost surely, 2258474380 is an apocalyptic number.

258474380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258474380 is an abundant number, since it is smaller than the sum of its proper divisors (292802164).

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

258474380 is a wasteful number, since it uses less digits than its factorization.

258474380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 258474380 is about 16077.1384269714. The cubic root of 258474380 is about 636.9996114371. Note that the first 3 decimals are identical.

The spelling of 258474380 in words is "two hundred fifty-eight million, four hundred seventy-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 103 206 271 412 463 515 542 926 1030 1084 1355 1852 2060 2315 2710 4630 5420 9260 27913 47689 55826 95378 111652 125473 139565 190756 238445 250946 279130 476890 501892 558260 627365 953780 1254730 2509460 12923719 25847438 51694876 64618595 129237190 258474380