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232023020 = 22547246833
BaseRepresentation
bin11011101010001…
…10001111101100
3121011120222202012
431311012033230
5433344214040
635005020352
75515106645
oct1565061754
9534528665
10232023020
11109a75369
12658546b8
13390ba038
1422b5a6cc
1515582865
hexdd463ec

232023020 has 24 divisors (see below), whose sum is σ = 497617344. Its totient is φ = 90834176.

The previous prime is 232023019. The next prime is 232023037. The reversal of 232023020 is 20320232.

It is a junction number, because it is equal to n+sod(n) for n = 232022986 and 232023004.

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, 122477 + ... + 124356.

It is an arithmetic number, because the mean of its divisors is an integer number (20734056).

Almost surely, 2232023020 is an apocalyptic number.

232023020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232023020 is an abundant number, since it is smaller than the sum of its proper divisors (265594324).

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

232023020 is a wasteful number, since it uses less digits than its factorization.

232023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246889 (or 246887 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 232023020 is about 15232.3018615047. The cubic root of 232023020 is about 614.4836876643.

Adding to 232023020 its reverse (20320232), we get a palindrome (252343252).

The spelling of 232023020 in words is "two hundred thirty-two million, twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 246833 493666 987332 1234165 2468330 4936660 11601151 23202302 46404604 58005755 116011510 232023020