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252747344 = 2415796709
BaseRepresentation
bin11110001000010…
…01111001010000
3122121120220011202
433010021321100
51004200403334
641025130332
76156213503
oct1704117120
9577526152
10252747344
1111a73a903
12707899a8
1340495055
14257d313a
15172c817e
hexf109e50

252747344 has 10 divisors (see below), whose sum is σ = 489698010. Its totient is φ = 126373664.

The previous prime is 252747323. The next prime is 252747361. The reversal of 252747344 is 443747252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 146410000 + 106337344 = 12100^2 + 10312^2 .

It is a junction number, because it is equal to n+sod(n) for n = 252747298 and 252747307.

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, 7898339 + ... + 7898370.

It is an arithmetic number, because the mean of its divisors is an integer number (48969801).

Almost surely, 2252747344 is an apocalyptic number.

It is an amenable number.

252747344 is a deficient number, since it is larger than the sum of its proper divisors (236950666).

252747344 is a wasteful number, since it uses less digits than its factorization.

252747344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15796717 (or 15796711 counting only the distinct ones).

The product of its digits is 188160, while the sum is 38.

The square root of 252747344 is about 15898.0295634396. The cubic root of 252747344 is about 632.2597474211.

It can be divided in two parts, 252747 and 344, that multiplied together give a palindrome (86944968).

The spelling of 252747344 in words is "two hundred fifty-two million, seven hundred forty-seven thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 15796709 31593418 63186836 126373672 252747344