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BaseRepresentation
bin1100111111101…
…01000001010011
321121010010101202
412133311001103
5210401210211
614452221415
72462354315
oct637650123
9247103352
10109006931
1156593580
123060a86b
1319778357
14106977b5
15988353b
hex67f5053

109006931 has 8 divisors (see below), whose sum is σ = 119156400. Its totient is φ = 98897440.

The previous prime is 109006903. The next prime is 109006949. The reversal of 109006931 is 139600901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109006931 - 226 = 41898067 is a prime.

It is a super-2 number, since 2×1090069312 = 23765022012077522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 109006894 and 109006903.

It is not an unprimeable number, because it can be changed into a prime (109006901) 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, 4136 + ... + 15333.

It is an arithmetic number, because the mean of its divisors is an integer number (14894550).

Almost surely, 2109006931 is an apocalyptic number.

109006931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

109006931 is a deficient number, since it is larger than the sum of its proper divisors (10149469).

109006931 is a wasteful number, since it uses less digits than its factorization.

109006931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19989.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 109006931 is about 10440.6384383332. The cubic root of 109006931 is about 477.6957427789.

The spelling of 109006931 in words is "one hundred nine million, six thousand, nine hundred thirty-one".