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23233420 = 2257263631
BaseRepresentation
bin101100010100…
…0001110001100
31121201101021001
41120220032030
521421432140
62145550044
7401323630
oct130501614
947641231
1023233420
1112129681
127945324
134a760b2
14312adc0
15208de9a
hex162838c

23233420 has 48 divisors (see below), whose sum is σ = 56060928. Its totient is φ = 7922880.

The previous prime is 23233417. The next prime is 23233439. The reversal of 23233420 is 2433232.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36505 + ... + 37135.

It is an arithmetic number, because the mean of its divisors is an integer number (1167936).

Almost surely, 223233420 is an apocalyptic number.

23233420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23233420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28030464).

23233420 is an abundant number, since it is smaller than the sum of its proper divisors (32827508).

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

23233420 is a wasteful number, since it uses less digits than its factorization.

23233420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 23233420 is about 4820.1058079673. The cubic root of 23233420 is about 285.3455130378.

Adding to 23233420 its reverse (2433232), we get a palindrome (25666652).

It can be divided in two parts, 23233 and 420, that added together give a triangular number (23653 = T217).

The spelling of 23233420 in words is "twenty-three million, two hundred thirty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 263 526 631 1052 1262 1315 1841 2524 2630 3155 3682 4417 5260 6310 7364 8834 9205 12620 17668 18410 22085 36820 44170 88340 165953 331906 663812 829765 1161671 1659530 2323342 3319060 4646684 5808355 11616710 23233420