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38797974 = 233743967
BaseRepresentation
bin1001010000000…
…0001010010110
32201000010211000
42110000022112
534413013344
63503324130
7650530425
oct224001226
981003730
1038797974
111a99a546
1210bb0646
1380656a7
14521d2bc
153615a69
hex2500296

38797974 has 32 divisors (see below), whose sum is σ = 86423040. Its totient is φ = 12901896.

The previous prime is 38797973. The next prime is 38797991. The reversal of 38797974 is 47979783.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 38797974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38797973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39639 + ... + 40605.

It is an arithmetic number, because the mean of its divisors is an integer number (2700720).

Almost surely, 238797974 is an apocalyptic number.

38797974 is an abundant number, since it is smaller than the sum of its proper divisors (47625066).

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

38797974 is a wasteful number, since it uses less digits than its factorization.

38797974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721 (or 1715 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 38797974 is about 6228.8019714870. The cubic root of 38797974 is about 338.5345637065.

The spelling of 38797974 in words is "thirty-eight million, seven hundred ninety-seven thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 743 967 1486 1934 2229 2901 4458 5802 6687 8703 13374 17406 20061 26109 40122 52218 718481 1436962 2155443 4310886 6466329 12932658 19398987 38797974