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9142312 = 231142789
BaseRepresentation
bin100010111000…
…000000101000
3122012110220011
4202320000220
54320023222
6523541304
7140464654
oct42700050
918173804
109142312
115184833
12308a834
131b8136a
1412dda64
15c08c77
hex8b8028

9142312 has 8 divisors (see below), whose sum is σ = 17141850. Its totient is φ = 4571152.

The previous prime is 9142297. The next prime is 9142313. The reversal of 9142312 is 2132419.

It can be written as a sum of positive squares in only one way, i.e., 9036036 + 106276 = 3006^2 + 326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (9142313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571387 + ... + 571402.

Almost surely, 29142312 is an apocalyptic number.

It is an amenable number.

9142312 is a deficient number, since it is larger than the sum of its proper divisors (7999538).

9142312 is a wasteful number, since it uses less digits than its factorization.

9142312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142795 (or 1142791 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 9142312 is about 3023.6256382032. The cubic root of 9142312 is about 209.0990274215.

The spelling of 9142312 in words is "nine million, one hundred forty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 1142789 2285578 4571156 9142312