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100471231 = 7229233269
BaseRepresentation
bin1011111110100…
…01000110111111
321000001110121201
411333101012333
5201210034411
613545240331
72326664020
oct577210677
9230043551
10100471231
1151793583
12297930a7
1317a7a143
14d4b4c47
158c493c1
hex5fd11bf

100471231 has 16 divisors (see below), whose sum is σ = 116251200. Its totient is φ = 85056768.

The previous prime is 100471223. The next prime is 100471249. The reversal of 100471231 is 132174001.

It is a cyclic number.

It is not a de Polignac number, because 100471231 - 23 = 100471223 is a prime.

It is a super-2 number, since 2×1004712312 = 20188936517310722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100471199 and 100471208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100471211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373365 + ... + 373633.

It is an arithmetic number, because the mean of its divisors is an integer number (7265700).

Almost surely, 2100471231 is an apocalyptic number.

100471231 is a deficient number, since it is larger than the sum of its proper divisors (15779969).

100471231 is a wasteful number, since it uses less digits than its factorization.

100471231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 100471231 is about 10023.5338578767. The cubic root of 100471231 is about 464.8868279715.

The spelling of 100471231 in words is "one hundred million, four hundred seventy-one thousand, two hundred thirty-one".

Divisors: 1 7 229 233 269 1603 1631 1883 53357 61601 62677 373499 431207 438739 14353033 100471231