Search a number
-
+
23472642 = 2331971301
BaseRepresentation
bin101100110001…
…0101000000010
31122011112102010
41121202220002
522002111032
62155033350
7403341234
oct131425002
948145363
1023472642
1112282386
127a3b856
134b2ac4b
143190254
1520d9ccc
hex1662a02

23472642 has 32 divisors (see below), whose sum is σ = 48996864. Its totient is φ = 7488000.

The previous prime is 23472641. The next prime is 23472667. The reversal of 23472642 is 24627432.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (23472641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17392 + ... + 18692.

It is an arithmetic number, because the mean of its divisors is an integer number (1531152).

Almost surely, 223472642 is an apocalyptic number.

23472642 is an abundant number, since it is smaller than the sum of its proper divisors (25524222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23472642 is a wasteful number, since it uses less digits than its factorization.

23472642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its digits is 16128, while the sum is 30.

The square root of 23472642 is about 4844.8572734395. The cubic root of 23472642 is about 286.3215204926.

The spelling of 23472642 in words is "twenty-three million, four hundred seventy-two thousand, six hundred forty-two".

Divisors: 1 2 3 6 31 62 93 97 186 194 291 582 1301 2602 3007 3903 6014 7806 9021 18042 40331 80662 120993 126197 241986 252394 378591 757182 3912107 7824214 11736321 23472642