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38211057 = 3241103553
BaseRepresentation
bin1001000111000…
…0110111110001
32122220022201100
42101300313301
534240223212
63442555013
7642534333
oct221606761
978808640
1038211057
111a629595
1210968a69
137bbb4c1
145109453
15354bbdc
hex2470df1

38211057 has 12 divisors (see below), whose sum is σ = 56540484. Its totient is φ = 24852480.

The previous prime is 38211037. The next prime is 38211077. The reversal of 38211057 is 75011283.

38211057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38211037) and next prime (38211077).

It can be written as a sum of positive squares in 2 ways, for example, as 646416 + 37564641 = 804^2 + 6129^2 .

It is not a de Polignac number, because 38211057 - 28 = 38210801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38211057.

It is not an unprimeable number, because it can be changed into a prime (38211037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51408 + ... + 52145.

It is an arithmetic number, because the mean of its divisors is an integer number (4711707).

Almost surely, 238211057 is an apocalyptic number.

It is an amenable number.

38211057 is a deficient number, since it is larger than the sum of its proper divisors (18329427).

38211057 is a wasteful number, since it uses less digits than its factorization.

38211057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103600 (or 103597 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 38211057 is about 6181.5092817208. The cubic root of 38211057 is about 336.8188203318.

The spelling of 38211057 in words is "thirty-eight million, two hundred eleven thousand, fifty-seven".

Divisors: 1 3 9 41 123 369 103553 310659 931977 4245673 12737019 38211057