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255464500 = 22531926891
BaseRepresentation
bin11110011101000…
…01010000110100
3122210200221102011
433032201100310
51010344331000
641203254004
76221261314
oct1716412064
9583627364
10255464500
11121226295
127167a304
1340c06a35
1425cdd444
15176632ba
hexf3a1434

255464500 has 48 divisors (see below), whose sum is σ = 587321280. Its totient is φ = 96804000.

The previous prime is 255464497. The next prime is 255464507. The reversal of 255464500 is 5464552.

It is a super-2 number, since 2×2554645002 = 130524221520500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255464507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3946 + ... + 22945.

It is an arithmetic number, because the mean of its divisors is an integer number (12235860).

Almost surely, 2255464500 is an apocalyptic number.

255464500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255464500 is an abundant number, since it is smaller than the sum of its proper divisors (331856780).

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

255464500 is a wasteful number, since it uses less digits than its factorization.

255464500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26929 (or 26917 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 255464500 is about 15983.2568646068. The cubic root of 255464500 is about 634.5173756487.

The spelling of 255464500 in words is "two hundred fifty-five million, four hundred sixty-four thousand, five hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 125 190 250 380 475 500 950 1900 2375 4750 9500 26891 53782 107564 134455 268910 510929 537820 672275 1021858 1344550 2043716 2554645 2689100 3361375 5109290 6722750 10218580 12773225 13445500 25546450 51092900 63866125 127732250 255464500