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38669020 = 22513148727
BaseRepresentation
bin1001001110000…
…0101011011100
32200202120220221
42103200223130
534344402040
63500451124
7646452445
oct223405334
980676827
1038669020
111a911675
1210b49aa4
13801baa0
1451c82cc
1535dc74a
hex24e0adc

38669020 has 24 divisors (see below), whose sum is σ = 87452064. Its totient is φ = 14277696.

The previous prime is 38668969. The next prime is 38669023. The reversal of 38669020 is 2096683.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38669023) 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, 74104 + ... + 74623.

It is an arithmetic number, because the mean of its divisors is an integer number (3643836).

Almost surely, 238669020 is an apocalyptic number.

It is an amenable number.

38669020 is an abundant number, since it is smaller than the sum of its proper divisors (48783044).

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

38669020 is a wasteful number, since it uses less digits than its factorization.

38669020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148749 (or 148747 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 38669020 is about 6218.4419270425. The cubic root of 38669020 is about 338.1590815411.

The spelling of 38669020 in words is "thirty-eight million, six hundred sixty-nine thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 148727 297454 594908 743635 1487270 1933451 2974540 3866902 7733804 9667255 19334510 38669020