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20310092 = 22112291447
BaseRepresentation
bin100110101111…
…0100001001100
31102012212012122
41031132201030
520144410332
62003152112
7334430045
oct115364114
942185178
1020310092
1110512300
126975638
13429160a
1429a98cc
151bb2c12
hex135e84c

20310092 has 36 divisors (see below), whose sum is σ = 40442640. Its totient is φ = 8907360.

The previous prime is 20310091. The next prime is 20310119. The reversal of 20310092 is 29001302.

It is a self number, because there is not a number n which added to its sum of digits gives 20310092.

It is not an unprimeable number, because it can be changed into a prime (20310091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13313 + ... + 14759.

Almost surely, 220310092 is an apocalyptic number.

20310092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20310092 is a deficient number, since it is larger than the sum of its proper divisors (20132548).

20310092 is a wasteful number, since it uses less digits than its factorization.

20310092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1489 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 20310092 is about 4506.6719427977. The cubic root of 20310092 is about 272.8374384969.

Adding to 20310092 its reverse (29001302), we get a palindrome (49311394).

The spelling of 20310092 in words is "twenty million, three hundred ten thousand, ninety-two".

Divisors: 1 2 4 11 22 29 44 58 116 121 242 319 484 638 1276 1447 2894 3509 5788 7018 14036 15917 31834 41963 63668 83926 167852 175087 350174 461593 700348 923186 1846372 5077523 10155046 20310092