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38568121 = 176133701
BaseRepresentation
bin1001001100100…
…0000010111001
32200120110111221
42103020002321
534333134441
63454352041
7645552334
oct223100271
980513457
1038568121
111a852889
1210abb621
137cb4b97
14519d61b
1535bc8d1
hex24c80b9

38568121 has 8 divisors (see below), whose sum is σ = 40914504. Its totient is φ = 36230400.

The previous prime is 38568113. The next prime is 38568133. The reversal of 38568121 is 12186583.

It can be written as a sum of positive squares in 4 ways, for example, as 622521 + 37945600 = 789^2 + 6160^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38568121 - 23 = 38568113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38568181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8571 + ... + 12271.

It is an arithmetic number, because the mean of its divisors is an integer number (5114313).

Almost surely, 238568121 is an apocalyptic number.

It is an amenable number.

38568121 is a deficient number, since it is larger than the sum of its proper divisors (2346383).

38568121 is a wasteful number, since it uses less digits than its factorization.

38568121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331.

The product of its digits is 11520, while the sum is 34.

The square root of 38568121 is about 6210.3237435741. The cubic root of 38568121 is about 337.8647060729.

The spelling of 38568121 in words is "thirty-eight million, five hundred sixty-eight thousand, one hundred twenty-one".

Divisors: 1 17 613 3701 10421 62917 2268713 38568121