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38452231 = 291325939
BaseRepresentation
bin1001001010101…
…1110000000111
32200100120112201
42102223300013
534320432411
63452055331
7644560426
oct222536007
980316481
1038452231
111a783804
1210a64547
137c741cc
14516d2bd
1535983c1
hex24abc07

38452231 has 4 divisors (see below), whose sum is σ = 39778200. Its totient is φ = 37126264.

The previous prime is 38452207. The next prime is 38452237. The reversal of 38452231 is 13225483.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 38452231 - 25 = 38452199 is a prime.

It is a super-2 number, since 2×384522312 = 2957148137754722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38452231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38452237) 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, 662941 + ... + 662998.

It is an arithmetic number, because the mean of its divisors is an integer number (9944550).

Almost surely, 238452231 is an apocalyptic number.

38452231 is a deficient number, since it is larger than the sum of its proper divisors (1325969).

38452231 is a wasteful number, since it uses less digits than its factorization.

38452231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325968.

The product of its digits is 5760, while the sum is 28.

The square root of 38452231 is about 6200.9862925183. The cubic root of 38452231 is about 337.5259597773.

It can be divided in two parts, 38452 and 231, that added together give a palindrome (38683).

The spelling of 38452231 in words is "thirty-eight million, four hundred fifty-two thousand, two hundred thirty-one".

Divisors: 1 29 1325939 38452231