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38052261 = 341336137
BaseRepresentation
bin1001000100101…
…0000110100101
32122121020220000
42101022012211
534220133021
63435331513
7641303352
oct221120645
978536800
1038052261
111a530255
12108b0b99
137b64140
1450a7629
153519b26
hex244a1a5

38052261 has 20 divisors (see below), whose sum is σ = 61217772. Its totient is φ = 23416128.

The previous prime is 38052253. The next prime is 38052319. The reversal of 38052261 is 16225083.

38052261 is a `hidden beast` number, since 3 + 80 + 522 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13549761 + 24502500 = 3681^2 + 4950^2 .

It is not a de Polignac number, because 38052261 - 23 = 38052253 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38052061) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17016 + ... + 19121.

Almost surely, 238052261 is an apocalyptic number.

It is an amenable number.

38052261 is a deficient number, since it is larger than the sum of its proper divisors (23165511).

38052261 is a wasteful number, since it uses less digits than its factorization.

38052261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36162 (or 36153 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 38052261 is about 6168.6514733773. The cubic root of 38052261 is about 336.3515930589.

The spelling of 38052261 in words is "thirty-eight million, fifty-two thousand, two hundred sixty-one".

Divisors: 1 3 9 13 27 39 81 117 351 1053 36137 108411 325233 469781 975699 1409343 2927097 4228029 12684087 38052261