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233420424 = 23347206933
BaseRepresentation
bin11011110100110…
…11011010001000
3121021012222121220
431322123122020
5434223423144
635055002040
75533020006
oct1572333210
9537188556
10233420424
1110a83a246
1266209320
13394890c3
1423001a76
151575b919
hexde9b688

233420424 has 32 divisors (see below), whose sum is σ = 595969920. Its totient is φ = 76150976.

The previous prime is 233420419. The next prime is 233420443. The reversal of 233420424 is 424024332.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 233420394 and 233420403.

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, 102339 + ... + 104594.

It is an arithmetic number, because the mean of its divisors is an integer number (18624060).

Almost surely, 2233420424 is an apocalyptic number.

233420424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

233420424 is an abundant number, since it is smaller than the sum of its proper divisors (362549496).

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

233420424 is a wasteful number, since it uses less digits than its factorization.

233420424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206989 (or 206985 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 233420424 is about 15278.1027617960. The cubic root of 233420424 is about 615.7148354012.

Adding to 233420424 its reverse (424024332), we get a palindrome (657444756).

The spelling of 233420424 in words is "two hundred thirty-three million, four hundred twenty thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 47 94 141 188 282 376 564 1128 206933 413866 620799 827732 1241598 1655464 2483196 4966392 9725851 19451702 29177553 38903404 58355106 77806808 116710212 233420424