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232344138 = 23132978771
BaseRepresentation
bin11011101100101…
…00101001001010
3121012012022020110
431312110221022
5433440003023
635015535150
75520615105
oct1566245112
9535168213
10232344138
1110a174654
126598a4b6
13391a0250
1422c0173c
15155e7a93
hexdd94a4a

232344138 has 16 divisors (see below), whose sum is σ = 500433696. Its totient is φ = 71490480.

The previous prime is 232344109. The next prime is 232344139. The reversal of 232344138 is 831443232.

232344138 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×2323441384 (a number of 35 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (232344139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1489308 + ... + 1489463.

It is an arithmetic number, because the mean of its divisors is an integer number (31277106).

Almost surely, 2232344138 is an apocalyptic number.

232344138 is an abundant number, since it is smaller than the sum of its proper divisors (268089558).

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

232344138 is a wasteful number, since it uses less digits than its factorization.

232344138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978789.

The product of its digits is 13824, while the sum is 30.

The square root of 232344138 is about 15242.8389088122. The cubic root of 232344138 is about 614.7670371528.

It can be divided in two parts, 23234 and 4138, that added together give a palindrome (27372).

The spelling of 232344138 in words is "two hundred thirty-two million, three hundred forty-four thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 2978771 5957542 8936313 17872626 38724023 77448046 116172069 232344138