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20119233 = 319418609
BaseRepresentation
bin100110010111…
…1111011000001
31101212011101210
41030233323001
520122303413
61555120333
7333003441
oct114577301
941764353
1020119233
11103a1972
1268a30a9
134225794
14295a121
151b763c3
hex132fec1

20119233 has 16 divisors (see below), whose sum is σ = 28929600. Its totient is φ = 12395520.

The previous prime is 20119219. The next prime is 20119261. The reversal of 20119233 is 33291102.

It is a happy number.

It is not a de Polignac number, because 20119233 - 25 = 20119201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20119133) 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, 1968 + ... + 6641.

It is an arithmetic number, because the mean of its divisors is an integer number (1808100).

Almost surely, 220119233 is an apocalyptic number.

It is an amenable number.

20119233 is a deficient number, since it is larger than the sum of its proper divisors (8810367).

20119233 is a wasteful number, since it uses less digits than its factorization.

20119233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8672.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 20119233 is about 4485.4468004871. The cubic root of 20119233 is about 271.9801068568.

The spelling of 20119233 in words is "twenty million, one hundred nineteen thousand, two hundred thirty-three".

Divisors: 1 3 19 41 57 123 779 2337 8609 25827 163571 352969 490713 1058907 6706411 20119233