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249293152 = 257790411
BaseRepresentation
bin11101101101111…
…10100101100000
3122101002101220201
432312332211200
51002304340102
640423114544
76114646123
oct1666764540
9571071821
10249293152
111187a06a9
126b5a2a54
133c855a54
14251743ba
1516d44987
hexedbe960

249293152 has 12 divisors (see below), whose sum is σ = 490795956. Its totient is φ = 124646560.

The previous prime is 249293101. The next prime is 249293197. The reversal of 249293152 is 251392942.

249293152 is digitally balanced in base 3, 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 as a sum of consecutive naturals, namely, 3895174 + ... + 3895237.

It is an arithmetic number, because the mean of its divisors is an integer number (40899663).

Almost surely, 2249293152 is an apocalyptic number.

It is an amenable number.

249293152 is a deficient number, since it is larger than the sum of its proper divisors (241502804).

249293152 is an equidigital number, since it uses as much as digits as its factorization.

249293152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790421 (or 7790413 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 249293152 is about 15789.0199822535. The cubic root of 249293152 is about 629.3662493955.

The spelling of 249293152 in words is "two hundred forty-nine million, two hundred ninety-three thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 32 7790411 15580822 31161644 62323288 124646576 249293152