Search a number
-
+
252578838 = 23322913037
BaseRepresentation
bin11110000111000…
…00110000010110
3122121021100000210
433003200300112
51004130010323
641021350250
76154612311
oct1703406026
9577240023
10252578838
1111a635246
1270708386
1340436445
142578b978
1517293293
hexf0e0c16

252578838 has 16 divisors (see below), whose sum is σ = 505352880. Its totient is φ = 84160416.

The previous prime is 252578831. The next prime is 252578863. The reversal of 252578838 is 838875252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252578831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12856 + ... + 25892.

It is an arithmetic number, because the mean of its divisors is an integer number (31584555).

Almost surely, 2252578838 is an apocalyptic number.

252578838 is an abundant number, since it is smaller than the sum of its proper divisors (252774042).

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

252578838 is a wasteful number, since it uses less digits than its factorization.

252578838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16271.

The product of its digits is 1075200, while the sum is 48.

The square root of 252578838 is about 15892.7290922610. The cubic root of 252578838 is about 632.1192075383.

The spelling of 252578838 in words is "two hundred fifty-two million, five hundred seventy-eight thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 3229 6458 9687 13037 19374 26074 39111 78222 42096473 84192946 126289419 252578838