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38525418 = 2322140301
BaseRepresentation
bin1001001011110…
…1100111101010
32200111021221100
42102331213222
534330303133
63453422230
7645314001
oct222754752
980437840
1038525418
111a823798
1210a9a976
137c9b609
14518bc38
1535aee13
hex24bd9ea

38525418 has 12 divisors (see below), whose sum is σ = 83471778. Its totient is φ = 12841800.

The previous prime is 38525413. The next prime is 38525423. The reversal of 38525418 is 81452583.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38525413) and next prime (38525423).

It can be written as a sum of positive squares in only one way, i.e., 37491129 + 1034289 = 6123^2 + 1017^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38525411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1070133 + ... + 1070168.

Almost surely, 238525418 is an apocalyptic number.

38525418 is an abundant number, since it is smaller than the sum of its proper divisors (44946360).

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

38525418 is a wasteful number, since it uses less digits than its factorization.

38525418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140309 (or 2140306 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 38525418 is about 6206.8847258508. The cubic root of 38525418 is about 337.7399643231.

The spelling of 38525418 in words is "thirty-eight million, five hundred twenty-five thousand, four hundred eighteen".

Divisors: 1 2 3 6 9 18 2140301 4280602 6420903 12841806 19262709 38525418