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10320312 = 233430013
BaseRepresentation
bin100111010111…
…100110111000
3201102022210210
4213113212320
510120222222
61005111120
7153502242
oct47274670
921368723
1010320312
115909892
1235584a0
1321a45c2
141529092
15d8cd0c
hex9d79b8

10320312 has 16 divisors (see below), whose sum is σ = 25800840. Its totient is φ = 3440096.

The previous prime is 10320293. The next prime is 10320313. The reversal of 10320312 is 21302301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320313) 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, 214983 + ... + 215030.

Almost surely, 210320312 is an apocalyptic number.

10320312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10320312 is an abundant number, since it is smaller than the sum of its proper divisors (15480528).

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

10320312 is a wasteful number, since it uses less digits than its factorization.

10320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430022 (or 430018 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 10320312 is about 3212.5242411537. The cubic root of 10320312 is about 217.7196407203.

Adding to 10320312 its reverse (21302301), we get a palindrome (31622613).

The spelling of 10320312 in words is "ten million, three hundred twenty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 430013 860026 1290039 1720052 2580078 3440104 5160156 10320312