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23345900 = 22521571487
BaseRepresentation
bin101100100001…
…1101011101100
31121221002112222
41121003223230
521434032100
62152214512
7402302564
oct131035354
947832488
1023345900
11121a6136
12799a438
134ab5356
143159da4
1520b2485
hex1643aec

23345900 has 36 divisors (see below), whose sum is σ = 51017568. Its totient is φ = 9272640.

The previous prime is 23345893. The next prime is 23345909. The reversal of 23345900 is 954332.

It is a self number, because there is not a number n which added to its sum of digits gives 23345900.

It is not an unprimeable number, because it can be changed into a prime (23345909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14957 + ... + 16443.

Almost surely, 223345900 is an apocalyptic number.

23345900 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 23345900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25508784).

23345900 is an abundant number, since it is smaller than the sum of its proper divisors (27671668).

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

23345900 is a wasteful number, since it uses less digits than its factorization.

23345900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 23345900 is about 4831.7595138831. The cubic root of 23345900 is about 285.8052531770.

The spelling of 23345900 in words is "twenty-three million, three hundred forty-five thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 157 314 628 785 1487 1570 2974 3140 3925 5948 7435 7850 14870 15700 29740 37175 74350 148700 233459 466918 933836 1167295 2334590 4669180 5836475 11672950 23345900