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38874168 = 233519997
BaseRepresentation
bin1001010001001…
…0110000111000
32201011000100000
42110102300320
534422433133
63505113000
7651265524
oct224226070
981130300
1038874168
111aa41813
1211028760
138091288
14523cd84
15362d413
hex2512c38

38874168 has 48 divisors (see below), whose sum is σ = 109189080. Its totient is φ = 12957408.

The previous prime is 38874151. The next prime is 38874169. The reversal of 38874168 is 86147883.

It is a super-2 number, since 2×388741682 = 3022401875384448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38874169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8055 + ... + 11942.

Almost surely, 238874168 is an apocalyptic number.

It is an amenable number.

38874168 is an abundant number, since it is smaller than the sum of its proper divisors (70314912).

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

38874168 is a wasteful number, since it uses less digits than its factorization.

38874168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20018 (or 20002 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 38874168 is about 6234.9152359916. The cubic root of 38874168 is about 338.7560309016.

The spelling of 38874168 in words is "thirty-eight million, eight hundred seventy-four thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 324 486 648 972 1944 19997 39994 59991 79988 119982 159976 179973 239964 359946 479928 539919 719892 1079838 1439784 1619757 2159676 3239514 4319352 4859271 6479028 9718542 12958056 19437084 38874168