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23001400 = 2352196053
BaseRepresentation
bin101011110111…
…1100100111000
31121021120222201
41113233210320
521342021100
62140555544
7366336322
oct127574470
947246881
1023001400
1111a90324
127852bb4
1349c45c6
1430aa612
15204536a
hex15ef938

23001400 has 48 divisors (see below), whose sum is σ = 56302200. Its totient is φ = 8714880.

The previous prime is 23001397. The next prime is 23001401. The reversal of 23001400 is 410032.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774 + ... + 6826.

Almost surely, 223001400 is an apocalyptic number.

23001400 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 23001400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28151100).

23001400 is an abundant number, since it is smaller than the sum of its proper divisors (33300800).

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

23001400 is a wasteful number, since it uses less digits than its factorization.

23001400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6088 (or 6079 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 23001400 is about 4795.9774811815. The cubic root of 23001400 is about 284.3924680330.

Adding to 23001400 its reverse (410032), we get a palindrome (23411432).

The spelling of 23001400 in words is "twenty-three million, one thousand, four hundred".

Divisors: 1 2 4 5 8 10 19 20 25 38 40 50 76 95 100 152 190 200 380 475 760 950 1900 3800 6053 12106 24212 30265 48424 60530 115007 121060 151325 230014 242120 302650 460028 575035 605300 920056 1150070 1210600 2300140 2875175 4600280 5750350 11500700 23001400