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38552869 = 79488011
BaseRepresentation
bin1001001100010…
…0010100100101
32200112200121001
42103010110211
534332142434
63454153301
7645460015
oct223042445
980480531
1038552869
111a842383
1210ab2831
137caac64
145197c45
1535b8114
hex24c4525

38552869 has 4 divisors (see below), whose sum is σ = 39040960. Its totient is φ = 38064780.

The previous prime is 38552863. The next prime is 38552887. The reversal of 38552869 is 96825583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38552869 - 211 = 38550821 is a prime.

It is a super-2 number, since 2×385528692 = 2972647416262322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38552863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243927 + ... + 244084.

It is an arithmetic number, because the mean of its divisors is an integer number (9760240).

Almost surely, 238552869 is an apocalyptic number.

It is an amenable number.

38552869 is a deficient number, since it is larger than the sum of its proper divisors (488091).

38552869 is an equidigital number, since it uses as much as digits as its factorization.

38552869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488090.

The product of its digits is 518400, while the sum is 46.

The square root of 38552869 is about 6209.0956668423. The cubic root of 38552869 is about 337.8201633107.

It can be divided in two parts, 3855 and 2869, that added together give a square (6724 = 822).

The spelling of 38552869 in words is "thirty-eight million, five hundred fifty-two thousand, eight hundred sixty-nine".

Divisors: 1 79 488011 38552869