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13898232 = 2332193031
BaseRepresentation
bin110101000001…
…000111111000
3222011002210100
4311001013320
512024220412
61213515400
7226063425
oct65010770
928132710
1013898232
117932a47
1247a2b60
132b5800a
141bbad4c
151347edc
hexd411f8

13898232 has 24 divisors (see below), whose sum is σ = 37641240. Its totient is φ = 4632720.

The previous prime is 13898219. The next prime is 13898237. The reversal of 13898232 is 23289831.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13898237) 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 5 ways as a sum of consecutive naturals, for example, 96444 + ... + 96587.

It is an arithmetic number, because the mean of its divisors is an integer number (1568385).

Almost surely, 213898232 is an apocalyptic number.

13898232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13898232 is an abundant number, since it is smaller than the sum of its proper divisors (23743008).

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

13898232 is a wasteful number, since it uses less digits than its factorization.

13898232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193043 (or 193036 counting only the distinct ones).

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

The square root of 13898232 is about 3728.0332616542. The cubic root of 13898232 is about 240.4288166947.

The spelling of 13898232 in words is "thirteen million, eight hundred ninety-eight thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 193031 386062 579093 772124 1158186 1544248 1737279 2316372 3474558 4632744 6949116 13898232