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142307932 = 22132736691
BaseRepresentation
bin10000111101101…
…11001001011100
3100220202222210011
420132313021130
5242412323212
622042053004
73345411634
oct1036671134
9326688704
10142307932
1173369068
123b7aa164
13236379a0
1414c856c4
15c7604a7
hex87b725c

142307932 has 12 divisors (see below), whose sum is σ = 268195816. Its totient is φ = 65680560.

The previous prime is 142307917. The next prime is 142307939. The reversal of 142307932 is 239703241.

It is a super-3 number, since 3×1423079323 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142307894 and 142307903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142307939) 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, 1368294 + ... + 1368397.

Almost surely, 2142307932 is an apocalyptic number.

It is an amenable number.

142307932 is a deficient number, since it is larger than the sum of its proper divisors (125887884).

142307932 is a wasteful number, since it uses less digits than its factorization.

142307932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736708 (or 2736706 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 142307932 is about 11929.2888304375. The cubic root of 142307932 is about 522.0871881101.

The spelling of 142307932 in words is "one hundred forty-two million, three hundred seven thousand, nine hundred thirty-two".

Divisors: 1 2 4 13 26 52 2736691 5473382 10946764 35576983 71153966 142307932