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249316172 = 22719734513
BaseRepresentation
bin11101101110001…
…00001101001100
3122101010120111022
432313010031030
51002311104142
640423413312
76115103210
oct1667041514
9571116438
10249316172
11118806a26
126b5b4238
133c863381
142517c940
1516d4b6d2
hexedc434c

249316172 has 24 divisors (see below), whose sum is σ = 498995616. Its totient is φ = 106771968.

The previous prime is 249316141. The next prime is 249316181. The reversal of 249316172 is 271613942.

249316172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52988 + ... + 57500.

It is an arithmetic number, because the mean of its divisors is an integer number (20791484).

Almost surely, 2249316172 is an apocalyptic number.

It is an amenable number.

249316172 is an abundant number, since it is smaller than the sum of its proper divisors (249679444).

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

249316172 is a wasteful number, since it uses less digits than its factorization.

249316172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6497 (or 6495 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 249316172 is about 15789.7489530391. The cubic root of 249316172 is about 629.3856209199.

The spelling of 249316172 in words is "two hundred forty-nine million, three hundred sixteen thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 1973 3946 4513 7892 9026 13811 18052 27622 31591 55244 63182 126364 8904149 17808298 35616596 62329043 124658086 249316172