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168132474 = 232113131631
BaseRepresentation
bin10100000010101…
…11111101111010
3102201101000101200
422001113331322
5321020214344
624403355030
74111050066
oct1201277572
9381330350
10168132474
11869a7464
1248382a76
1328aaa293
1418488aa6
15eb62069
hexa057f7a

168132474 has 48 divisors (see below), whose sum is σ = 370903104. Its totient is φ = 55036800.

The previous prime is 168132467. The next prime is 168132491. The reversal of 168132474 is 474231861.

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, 266139 + ... + 266769.

It is an arithmetic number, because the mean of its divisors is an integer number (7727148).

Almost surely, 2168132474 is an apocalyptic number.

168132474 is an abundant number, since it is smaller than the sum of its proper divisors (202770630).

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

168132474 is a wasteful number, since it uses less digits than its factorization.

168132474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883 (or 880 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 168132474 is about 12966.5906852958. The cubic root of 168132474 is about 551.9298311878.

The spelling of 168132474 in words is "one hundred sixty-eight million, one hundred thirty-two thousand, four hundred seventy-four".

Divisors: 1 2 3 6 9 18 113 131 226 262 339 393 631 678 786 1017 1179 1262 1893 2034 2358 3786 5679 11358 14803 29606 44409 71303 82661 88818 133227 142606 165322 213909 247983 266454 427818 495966 641727 743949 1283454 1487898 9340693 18681386 28022079 56044158 84066237 168132474