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23953420 = 2252941299
BaseRepresentation
bin101101101100…
…0000000001100
31200001221220201
41123120000030
522113002140
62213223244
7410413021
oct133300014
950057821
1023953420
1112580617
128031b24
134c68a2a
143277548
15218249a
hex16d800c

23953420 has 24 divisors (see below), whose sum is σ = 52038000. Its totient is φ = 9250752.

The previous prime is 23953387. The next prime is 23953441. The reversal of 23953420 is 2435932.

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, 20070 + ... + 21229.

It is an arithmetic number, because the mean of its divisors is an integer number (2168250).

Almost surely, 223953420 is an apocalyptic number.

23953420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23953420 is an abundant number, since it is smaller than the sum of its proper divisors (28084580).

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

23953420 is a wasteful number, since it uses less digits than its factorization.

23953420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41337 (or 41335 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 23953420 is about 4894.2231252774. The cubic root of 23953420 is about 288.2631821347.

The spelling of 23953420 in words is "twenty-three million, nine hundred fifty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 41299 82598 165196 206495 412990 825980 1197671 2395342 4790684 5988355 11976710 23953420