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19122914 = 215760901
BaseRepresentation
bin100100011110…
…0101011100010
31022222112201002
41020330223202
514343413124
61521512002
7321353636
oct110745342
938875632
1019122914
11a881368
1264a2602
133c67145
14277adc6
151a2b0ae
hex123cae2

19122914 has 8 divisors (see below), whose sum is σ = 28867548. Its totient is φ = 9500400.

The previous prime is 19122907. The next prime is 19122923. The reversal of 19122914 is 41922191.

It can be written as a sum of positive squares in 2 ways, for example, as 14784025 + 4338889 = 3845^2 + 2083^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30137 + ... + 30764.

Almost surely, 219122914 is an apocalyptic number.

19122914 is a deficient number, since it is larger than the sum of its proper divisors (9744634).

19122914 is a wasteful number, since it uses less digits than its factorization.

19122914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61060.

The product of its digits is 1296, while the sum is 29.

The square root of 19122914 is about 4372.9754172645. The cubic root of 19122914 is about 267.4143388920.

The spelling of 19122914 in words is "nineteen million, one hundred twenty-two thousand, nine hundred fourteen".

Divisors: 1 2 157 314 60901 121802 9561457 19122914