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38520852 = 22316271973
BaseRepresentation
bin1001001011110…
…0100000010100
32200111001200020
42102330200110
534330131402
63453345140
7645264456
oct222744024
980431606
1038520852
111a820317
1210a981b0
137c99506
14518a2d6
1535ad8bc
hex24bc814

38520852 has 24 divisors (see below), whose sum is σ = 89982816. Its totient is φ = 12825888.

The previous prime is 38520851. The next prime is 38520857. The reversal of 38520852 is 25802583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38520851) 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, 18538 + ... + 20510.

It is an arithmetic number, because the mean of its divisors is an integer number (3749284).

Almost surely, 238520852 is an apocalyptic number.

It is an amenable number.

38520852 is an abundant number, since it is smaller than the sum of its proper divisors (51461964).

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

38520852 is a wasteful number, since it uses less digits than its factorization.

38520852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607 (or 3605 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 38520852 is about 6206.5168975843. The cubic root of 38520852 is about 337.7266209108.

The spelling of 38520852 in words is "thirty-eight million, five hundred twenty thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 1627 1973 3254 3946 4881 5919 6508 7892 9762 11838 19524 23676 3210071 6420142 9630213 12840284 19260426 38520852