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249123372 = 223171221193
BaseRepresentation
bin11101101100101…
…01001000101100
3122100202210000120
432312111020230
51002233421442
640415324540
76113341131
oct1666251054
9570683016
10249123372
11118695093
126b520750
133c7c66a4
142512c588
1516d0e4ec
hexed9522c

249123372 has 24 divisors (see below), whose sum is σ = 615481776. Its totient is φ = 78156288.

The previous prime is 249123337. The next prime is 249123379. The reversal of 249123372 is 273321942.

249123372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (249123379) 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, 610393 + ... + 610800.

It is an arithmetic number, because the mean of its divisors is an integer number (25645074).

Almost surely, 2249123372 is an apocalyptic number.

It is an amenable number.

249123372 is an abundant number, since it is smaller than the sum of its proper divisors (366358404).

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

249123372 is a wasteful number, since it uses less digits than its factorization.

249123372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221217 (or 1221215 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 249123372 is about 15783.6425453696. The cubic root of 249123372 is about 629.2233412469.

The spelling of 249123372 in words is "two hundred forty-nine million, one hundred twenty-three thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1221193 2442386 3663579 4884772 7327158 14654316 20760281 41520562 62280843 83041124 124561686 249123372