Search a number
-
+
19022908 = 226770981
BaseRepresentation
bin100100010010…
…0010000111100
31022210110112011
41020210100330
514332213113
61515421004
7320456242
oct110442074
938713464
1019022908
11a813213
126454764
133c30778
142752792
151a0b63d
hex122443c

19022908 has 12 divisors (see below), whose sum is σ = 33787432. Its totient is φ = 9369360.

The previous prime is 19022897. The next prime is 19022917. The reversal of 19022908 is 80922091.

It is a self number, because there is not a number n which added to its sum of digits gives 19022908.

It is a congruent number.

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, 35223 + ... + 35758.

Almost surely, 219022908 is an apocalyptic number.

It is an amenable number.

19022908 is a deficient number, since it is larger than the sum of its proper divisors (14764524).

19022908 is a wasteful number, since it uses less digits than its factorization.

19022908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71052 (or 71050 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 19022908 is about 4361.5258797811. The cubic root of 19022908 is about 266.9473634590.

Adding to 19022908 its reverse (80922091), we get a palindrome (99944999).

The spelling of 19022908 in words is "nineteen million, twenty-two thousand, nine hundred eight".

Divisors: 1 2 4 67 134 268 70981 141962 283924 4755727 9511454 19022908