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10313172 = 2232286477
BaseRepresentation
bin100111010101…
…110111010100
3201101222000100
4213111313110
510120010142
61005014100
7153442362
oct47256724
921358010
1010313172
115904491
123554330
1321a128c
141526632
15d8ab4c
hex9d5dd4

10313172 has 18 divisors (see below), whose sum is σ = 26069498. Its totient is φ = 3437712.

The previous prime is 10313161. The next prime is 10313179. The reversal of 10313172 is 27131301.

It can be written as a sum of positive squares in only one way, i.e., 9960336 + 352836 = 3156^2 + 594^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10313179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143203 + ... + 143274.

Almost surely, 210313172 is an apocalyptic number.

10313172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10313172 is an abundant number, since it is smaller than the sum of its proper divisors (15756326).

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

10313172 is a wasteful number, since it uses less digits than its factorization.

10313172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286487 (or 286482 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 10313172 is about 3211.4127732199. The cubic root of 10313172 is about 217.6694201176.

Adding to 10313172 its reverse (27131301), we get a palindrome (37444473).

The spelling of 10313172 in words is "ten million, three hundred thirteen thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 286477 572954 859431 1145908 1718862 2578293 3437724 5156586 10313172