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107394021 = 3275033389
BaseRepresentation
bin1100110011010…
…11001111100101
321111002011220100
412121223033211
5204443102041
614353454313
72442556050
oct631531745
9244064810
10107394021
1155691799
122bb71399
1319332177
1410397a97
1596656b6
hex666b3e5

107394021 has 24 divisors (see below), whose sum is σ = 177690240. Its totient is φ = 61227936.

The previous prime is 107394019. The next prime is 107394031. The reversal of 107394021 is 120493701.

It is not a de Polignac number, because 107394021 - 21 = 107394019 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107394011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29995 + ... + 33383.

It is an arithmetic number, because the mean of its divisors is an integer number (7403760).

Almost surely, 2107394021 is an apocalyptic number.

It is an amenable number.

107394021 is a deficient number, since it is larger than the sum of its proper divisors (70296219).

107394021 is a wasteful number, since it uses less digits than its factorization.

107394021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905 (or 3902 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 107394021 is about 10363.1086552250. The cubic root of 107394021 is about 475.3279670372.

The spelling of 107394021 in words is "one hundred seven million, three hundred ninety-four thousand, twenty-one".

Divisors: 1 3 7 9 21 63 503 1509 3389 3521 4527 10167 10563 23723 30501 31689 71169 213507 1704667 5114001 11932669 15342003 35798007 107394021