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23381892 = 2233239413
BaseRepresentation
bin101100100110…
…0011110000100
31121222220221000
41121030132010
521441210032
62153053300
7402512532
oct131143604
947886830
1023381892
1112220186
1279b7230
134ac8851
143169152
1520bce7c
hex164c784

23381892 has 48 divisors (see below), whose sum is σ = 63262080. Its totient is φ = 7454304.

The previous prime is 23381881. The next prime is 23381893. The reversal of 23381892 is 29818332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23381893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2223 + ... + 7190.

It is an arithmetic number, because the mean of its divisors is an integer number (1317960).

Almost surely, 223381892 is an apocalyptic number.

It is an amenable number.

23381892 is an abundant number, since it is smaller than the sum of its proper divisors (39880188).

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

23381892 is a wasteful number, since it uses less digits than its factorization.

23381892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9449 (or 9441 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 23381892 is about 4835.4826025951. The cubic root of 23381892 is about 285.9520515572.

The spelling of 23381892 in words is "twenty-three million, three hundred eighty-one thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 23 27 36 46 54 69 92 108 138 207 276 414 621 828 1242 2484 9413 18826 28239 37652 56478 84717 112956 169434 216499 254151 338868 432998 508302 649497 865996 1016604 1298994 1948491 2597988 3896982 5845473 7793964 11690946 23381892