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19112994 = 2325032111
BaseRepresentation
bin100100011101…
…0010000100010
31022222001002200
41020322100202
514343103434
61521354030
7321313005
oct110722042
938861080
1019112994
11a87496a
126498916
133c62784
14277753c
151a28199
hex123a422

19112994 has 24 divisors (see below), whose sum is σ = 41513472. Its totient is φ = 6355320.

The previous prime is 19112923. The next prime is 19113037. The reversal of 19112994 is 49921191.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7999 + ... + 10109.

It is an arithmetic number, because the mean of its divisors is an integer number (1729728).

Almost surely, 219112994 is an apocalyptic number.

19112994 is an abundant number, since it is smaller than the sum of its proper divisors (22400478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19112994 is a wasteful number, since it uses less digits than its factorization.

19112994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622 (or 2619 counting only the distinct ones).

The product of its digits is 5832, while the sum is 36.

The square root of 19112994 is about 4371.8410309617. The cubic root of 19112994 is about 267.3680905521.

The spelling of 19112994 in words is "nineteen million, one hundred twelve thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 503 1006 1509 2111 3018 4222 4527 6333 9054 12666 18999 37998 1061833 2123666 3185499 6370998 9556497 19112994