Search a number
-
+
23475020 = 2253731723
BaseRepresentation
bin101100110001…
…1001101001100
31122011122200012
41121203031030
522002200040
62155052352
7403351202
oct131431514
948148605
1023475020
1112284148
127a410b8
134b2c05a
143191072
1520da865
hex166334c

23475020 has 24 divisors (see below), whose sum is σ = 50631504. Its totient is φ = 9135936.

The previous prime is 23475017. The next prime is 23475031. The reversal of 23475020 is 2057432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15122 + ... + 16601.

It is an arithmetic number, because the mean of its divisors is an integer number (2109646).

Almost surely, 223475020 is an apocalyptic number.

23475020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23475020 is an abundant number, since it is smaller than the sum of its proper divisors (27156484).

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

23475020 is a wasteful number, since it uses less digits than its factorization.

23475020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31769 (or 31767 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 23475020 is about 4845.1026820904. The cubic root of 23475020 is about 286.3311891896.

The spelling of 23475020 in words is "twenty-three million, four hundred seventy-five thousand, twenty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 31723 63446 126892 158615 317230 634460 1173751 2347502 4695004 5868755 11737510 23475020