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100992471 = 32329411231
BaseRepresentation
bin1100000010100…
…00010111010111
321001000221121220
412001100113113
5201323224341
614004341423
72334264456
oct601202727
9231027556
10100992471
115200a158
12299a4873
1317c00478
14d5acb9d
158ceda66
hex60505d7

100992471 has 32 divisors (see below), whose sum is σ = 149022720. Its totient is φ = 60614400.

The previous prime is 100992469. The next prime is 100992481. The reversal of 100992471 is 174299001.

It is not a de Polignac number, because 100992471 - 21 = 100992469 is a prime.

It is a super-3 number, since 3×1009924713 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100992421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81426 + ... + 82656.

It is an arithmetic number, because the mean of its divisors is an integer number (4656960).

Almost surely, 2100992471 is an apocalyptic number.

100992471 is a deficient number, since it is larger than the sum of its proper divisors (48030249).

100992471 is a wasteful number, since it uses less digits than its factorization.

100992471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 100992471 is about 10049.5010323896. The cubic root of 100992471 is about 465.6893786695.

The spelling of 100992471 in words is "one hundred million, nine hundred ninety-two thousand, four hundred seventy-one".

Divisors: 1 3 23 29 41 69 87 123 667 943 1189 1231 2001 2829 3567 3693 27347 28313 35699 50471 82041 84939 107097 151413 821077 1160833 1463659 2463231 3482499 4390977 33664157 100992471