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912100401 = 32100672
BaseRepresentation
bin110110010111011…
…000110000110001
32100120021111112100
4312113120300301
53331444203101
6230301251013
731413503562
oct6627306061
92316244470
10912100401
11428947593
12215563a69
13116c722a4
14891ca169
155511be86
hex365d8c31

912100401 has 9 divisors (see below), whose sum is σ = 1317609241. Its totient is φ = 608006532.

The previous prime is 912100369. The next prime is 912100417. The reversal of 912100401 is 104001219.

The square root of 912100401 is 30201.

It is a perfect power (a square), and thus also a powerful number.

912100401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 912100401 - 25 = 912100369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (912100451) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 85570 + ... + 95636.

Almost surely, 2912100401 is an apocalyptic number.

912100401 is the 30201-st square number.

912100401 is the 15101-st centered octagonal number.

It is an amenable number.

912100401 is a deficient number, since it is larger than the sum of its proper divisors (405508840).

912100401 is an frugal number, since it uses more digits than its factorization.

912100401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20140 (or 10070 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The cubic root of 912100401 is about 969.7971024945.

The spelling of 912100401 in words is "nine hundred twelve million, one hundred thousand, four hundred one".

Divisors: 1 3 9 10067 30201 90603 101344489 304033467 912100401