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108075331 = 7213231421
BaseRepresentation
bin1100111000100…
…01100101000011
321112100210111001
412130101211003
5210131402311
614420232431
72451424300
oct634214503
9245323431
10108075331
1156007661
123023b717
1319510300
14104d40a7
15974c4c1
hex6711943

108075331 has 36 divisors (see below), whose sum is σ = 140860224. Its totient is φ = 82555200.

The previous prime is 108075301. The next prime is 108075337. The reversal of 108075331 is 133570801.

It is not a de Polignac number, because 108075331 - 27 = 108075203 is a prime.

It is a super-2 number, since 2×1080753312 = 23360554341519122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108075331.

It is not an unprimeable number, because it can be changed into a prime (108075337) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 256501 + ... + 256921.

It is an arithmetic number, because the mean of its divisors is an integer number (3912784).

Almost surely, 2108075331 is an apocalyptic number.

108075331 is a deficient number, since it is larger than the sum of its proper divisors (32784893).

108075331 is a wasteful number, since it uses less digits than its factorization.

108075331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 108075331 is about 10395.9285780540. The cubic root of 108075331 is about 476.3310125503.

The spelling of 108075331 in words is "one hundred eight million, seventy-five thousand, three hundred thirty-one".

Divisors: 1 7 13 31 49 91 169 217 403 421 637 1183 1519 2821 2947 5239 5473 8281 13051 19747 20629 36673 38311 71149 91357 169663 256711 268177 498043 639499 1187641 2205619 3486301 8313487 15439333 108075331