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14972107 = 139107713
BaseRepresentation
bin111001000111…
…010011001011
31001011122212111
4321013103023
512313101412
61252523151
7241155313
oct71072313
931148774
1014972107
1184a6847
1250204b7
133142a47
141dba443
1514ab2a7
hexe474cb

14972107 has 4 divisors (see below), whose sum is σ = 15079960. Its totient is φ = 14864256.

The previous prime is 14972099. The next prime is 14972117. The reversal of 14972107 is 70127941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14972107 - 23 = 14972099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14972117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53718 + ... + 53995.

It is an arithmetic number, because the mean of its divisors is an integer number (3769990).

Almost surely, 214972107 is an apocalyptic number.

14972107 is a deficient number, since it is larger than the sum of its proper divisors (107853).

14972107 is a wasteful number, since it uses less digits than its factorization.

14972107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107852.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 14972107 is about 3869.3806998020. The cubic root of 14972107 is about 246.4682457961.

The spelling of 14972107 in words is "fourteen million, nine hundred seventy-two thousand, one hundred seven".

Divisors: 1 139 107713 14972107