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106680072 = 23323193261
BaseRepresentation
bin1100101101111…
…00111100001000
321102201220112210
412112330330020
5204302230242
614330305120
72433523422
oct626747410
9242656483
10106680072
1155244354
122b8881a0
1319142205
141024d812
159573d9c
hex65bcf08

106680072 has 32 divisors (see below), whose sum is σ = 278297280. Its totient is φ = 34013760.

The previous prime is 106680071. The next prime is 106680097. The reversal of 106680072 is 270086601.

It is a happy number.

It is a super-2 number, since 2×1066800722 = 22761275523850368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106680071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96079 + ... + 97182.

It is an arithmetic number, because the mean of its divisors is an integer number (8696790).

Almost surely, 2106680072 is an apocalyptic number.

106680072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

106680072 is an abundant number, since it is smaller than the sum of its proper divisors (171617208).

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

106680072 is a wasteful number, since it uses less digits than its factorization.

106680072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193293 (or 193289 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 106680072 is about 10328.6045524069. The cubic root of 106680072 is about 474.2723069916.

The spelling of 106680072 in words is "one hundred six million, six hundred eighty thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 193261 386522 579783 773044 1159566 1546088 2319132 4445003 4638264 8890006 13335009 17780012 26670018 35560024 53340036 106680072