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168707252 = 22717477541
BaseRepresentation
bin10100000111001…
…00010010110100
3102202110012211202
422003210102310
5321142113002
624423552032
74115662610
oct1203442264
9382405752
10168707252
118725a28a
12485bb618
1328c4ba9c
1418598340
15ec27502
hexa0e44b4

168707252 has 48 divisors (see below), whose sum is σ = 364912128. Its totient is φ = 66593280.

The previous prime is 168707249. The next prime is 168707267. The reversal of 168707252 is 252707861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18602 + ... + 26142.

It is an arithmetic number, because the mean of its divisors is an integer number (7602336).

Almost surely, 2168707252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168707252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182456064).

168707252 is an abundant number, since it is smaller than the sum of its proper divisors (196204876).

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

168707252 is a wasteful number, since it uses less digits than its factorization.

168707252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616 (or 7614 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 168707252 is about 12988.7355812643. The cubic root of 168707252 is about 552.5580586395.

The spelling of 168707252 in words is "one hundred sixty-eight million, seven hundred seven thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 17 28 34 47 68 94 119 188 238 329 476 658 799 1316 1598 3196 5593 7541 11186 15082 22372 30164 52787 105574 128197 211148 256394 354427 512788 708854 897379 1417708 1794758 2480989 3589516 4961978 6025259 9923956 12050518 24101036 42176813 84353626 168707252