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252671232 = 2831122719
BaseRepresentation
bin11110000111101…
…11010100000000
3122121110000202210
433003313110000
51004140434412
641023342120
76155445552
oct1703672400
9577400683
10252671232
1111a698700
1270751940
1340469508
14257b34d2
15172b083c
hexf0f7500

252671232 has 108 divisors (see below), whose sum is σ = 739437440. Its totient is φ = 76538880.

The previous prime is 252671227. The next prime is 252671239. The reversal of 252671232 is 232176252.

252671232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 252671232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252671239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91569 + ... + 94287.

Almost surely, 2252671232 is an apocalyptic number.

252671232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252671232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369718720).

252671232 is an abundant number, since it is smaller than the sum of its proper divisors (486766208).

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

252671232 is a wasteful number, since it uses less digits than its factorization.

252671232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760 (or 2735 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 252671232 is about 15895.6356274293. The cubic root of 252671232 is about 632.1962750954.

The spelling of 252671232 in words is "two hundred fifty-two million, six hundred seventy-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 121 128 132 176 192 242 256 264 352 363 384 484 528 704 726 768 968 1056 1408 1452 1936 2112 2719 2816 2904 3872 4224 5438 5808 7744 8157 8448 10876 11616 15488 16314 21752 23232 29909 30976 32628 43504 46464 59818 65256 87008 89727 92928 119636 130512 174016 179454 239272 261024 328999 348032 358908 478544 522048 657998 696064 717816 957088 986997 1044096 1315996 1435632 1914176 1973994 2088192 2631992 2871264 3828352 3947988 5263984 5742528 7656704 7895976 10527968 11485056 15791952 21055936 22970112 31583904 42111872 63167808 84223744 126335616 252671232