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142402332 = 22311866861
BaseRepresentation
bin10000111110011…
…10001100011100
3100220221210021110
420133032030130
5242423333312
622044102020
73346254102
oct1037161434
9326853243
10142402332
1173422a86
123b834910
132366b947
1414cabc72
15c77d43c
hex87ce31c

142402332 has 12 divisors (see below), whose sum is σ = 332272136. Its totient is φ = 47467440.

The previous prime is 142402331. The next prime is 142402333. The reversal of 142402332 is 233204241.

142402332 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 an interprime number because it is at equal distance from previous prime (142402331) and next prime (142402333).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 142402299 and 142402308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142402331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5933419 + ... + 5933442.

Almost surely, 2142402332 is an apocalyptic number.

142402332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142402332 is an abundant number, since it is smaller than the sum of its proper divisors (189869804).

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

142402332 is a wasteful number, since it uses less digits than its factorization.

142402332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11866868 (or 11866866 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 142402332 is about 11933.2448227630. The cubic root of 142402332 is about 522.2026048128.

Adding to 142402332 its reverse (233204241), we get a palindrome (375606573).

The spelling of 142402332 in words is "one hundred forty-two million, four hundred two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 11866861 23733722 35600583 47467444 71201166 142402332