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14970989 = 112971661
BaseRepresentation
bin111001000111…
…000001101101
31001011121100002
4321013001231
512313032424
61252514045
7241152125
oct71070155
931147302
1014970989
1184a5a20
12501b925
133142397
141db9c85
1514aacae
hexe4706d

14970989 has 16 divisors (see below), whose sum is σ = 17159040. Its totient is φ = 12936000.

The previous prime is 14970973. The next prime is 14971001. The reversal of 14970989 is 98907941.

14970989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14970989 - 24 = 14970973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14970919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22319 + ... + 22979.

It is an arithmetic number, because the mean of its divisors is an integer number (1072440).

Almost surely, 214970989 is an apocalyptic number.

It is an amenable number.

14970989 is a deficient number, since it is larger than the sum of its proper divisors (2188051).

14970989 is a wasteful number, since it uses less digits than its factorization.

14970989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 14970989 is about 3869.2362295419. The cubic root of 14970989 is about 246.4621108689.

The spelling of 14970989 in words is "fourteen million, nine hundred seventy thousand, nine hundred eighty-nine".

Divisors: 1 11 29 71 319 661 781 2059 7271 19169 22649 46931 210859 516241 1360999 14970989