Search a number
-
+
109472531 = 740938237
BaseRepresentation
bin1101000011001…
…10101100010011
321121222210002012
412201212230103
5211011110111
614510213135
72466333620
oct641465423
9247883065
10109472531
1156881373
12307b41ab
13198ac25c
1410779347
15992648b
hex6866b13

109472531 has 8 divisors (see below), whose sum is σ = 125420640. Its totient is φ = 93601728.

The previous prime is 109472527. The next prime is 109472543. The reversal of 109472531 is 135274901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109472531 - 22 = 109472527 is a prime.

It is a super-2 number, since 2×1094725312 = 23968470087091922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109472731) 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 7 ways as a sum of consecutive naturals, for example, 16256 + ... + 21981.

It is an arithmetic number, because the mean of its divisors is an integer number (15677580).

Almost surely, 2109472531 is an apocalyptic number.

109472531 is a deficient number, since it is larger than the sum of its proper divisors (15948109).

109472531 is an equidigital number, since it uses as much as digits as its factorization.

109472531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38653.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 109472531 is about 10462.9121663139. The cubic root of 109472531 is about 478.3749021030.

The spelling of 109472531 in words is "one hundred nine million, four hundred seventy-two thousand, five hundred thirty-one".

Divisors: 1 7 409 2863 38237 267659 15638933 109472531