Search a number
-
+
23476220 = 2251173811
BaseRepresentation
bin101100110001…
…1011111111100
31122011201022122
41121203133330
522002214340
62155102112
7403354535
oct131433774
948151278
1023476220
1112285039
127a41938
134b2c771
14319168c
1520dadb5
hex16637fc

23476220 has 12 divisors (see below), whose sum is σ = 49300104. Its totient is φ = 9390480.

The previous prime is 23476213. The next prime is 23476249. The reversal of 23476220 is 2267432.

It is a super-2 number, since 2×234762202 = 1102265810976800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23476220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586886 + ... + 586925.

It is an arithmetic number, because the mean of its divisors is an integer number (4108342).

Almost surely, 223476220 is an apocalyptic number.

23476220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23476220 is an abundant number, since it is smaller than the sum of its proper divisors (25823884).

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

23476220 is a wasteful number, since it uses less digits than its factorization.

23476220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173820 (or 1173818 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 23476220 is about 4845.2265168927. The cubic root of 23476220 is about 286.3360680150.

The spelling of 23476220 in words is "twenty-three million, four hundred seventy-six thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1173811 2347622 4695244 5869055 11738110 23476220