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252477234 = 232175091621
BaseRepresentation
bin11110000110001…
…11111100110010
3122121002011122200
433003013330302
51004113232414
641015244030
76154010142
oct1703077462
9577064580
10252477234
1111a575979
1270679616
13403cc119
1425762922
1517273109
hexf0c7f32

252477234 has 48 divisors (see below), whose sum is σ = 580708440. Its totient is φ = 79004160.

The previous prime is 252477229. The next prime is 252477257. The reversal of 252477234 is 432774252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 251381025 + 1096209 = 15855^2 + 1047^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154944 + ... + 156564.

Almost surely, 2252477234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252477234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290354220).

252477234 is an abundant number, since it is smaller than the sum of its proper divisors (328231206).

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

252477234 is a wasteful number, since it uses less digits than its factorization.

252477234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155 (or 2152 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 252477234 is about 15889.5322146374. The cubic root of 252477234 is about 632.0344360476.

The spelling of 252477234 in words is "two hundred fifty-two million, four hundred seventy-seven thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 509 1018 1527 1621 3054 3242 4581 4863 8653 9162 9726 14589 17306 25959 27557 29178 51918 55114 77877 82671 155754 165342 248013 496026 825089 1650178 2475267 4950534 7425801 14026513 14851602 28053026 42079539 84159078 126238617 252477234