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147227868 = 2235167907
BaseRepresentation
bin10001100011010…
…00010011011100
3101021000221200000
420301220103130
5300142242433
622335334300
73435262524
oct1061502334
9337027600
10147227868
1176119527
1241381390
132466b1a8
14157a6684
15cdd3113
hex8c684dc

147227868 has 72 divisors (see below), whose sum is σ = 388682112. Its totient is φ = 48728304.

The previous prime is 147227783. The next prime is 147227879. The reversal of 147227868 is 868722741.

It is a congruent number.

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, 161871 + ... + 162777.

Almost surely, 2147227868 is an apocalyptic number.

147227868 is a gapful number since it is divisible by the number (18) 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 147227868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194341056).

147227868 is an abundant number, since it is smaller than the sum of its proper divisors (241454244).

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

147227868 is a wasteful number, since it uses less digits than its factorization.

147227868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1079 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 147227868 is about 12133.7491320696. The cubic root of 147227868 is about 528.0357672051.

The spelling of 147227868 in words is "one hundred forty-seven million, two hundred twenty-seven thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 167 243 324 334 486 501 668 907 972 1002 1503 1814 2004 2721 3006 3628 4509 5442 6012 8163 9018 10884 13527 16326 18036 24489 27054 32652 40581 48978 54108 73467 81162 97956 146934 151469 162324 220401 293868 302938 440802 454407 605876 881604 908814 1363221 1817628 2726442 4089663 5452884 8179326 12268989 16358652 24537978 36806967 49075956 73613934 147227868