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20952296 = 2317154061
BaseRepresentation
bin100111111101…
…1010011101000
31110102111010222
41033323103220
520330433141
62025025212
7343043261
oct117732350
943374128
1020952296
1110910852
127025208
134457a11
142ad5968
151c8d14b
hex13fb4e8

20952296 has 16 divisors (see below), whose sum is σ = 41596740. Its totient is φ = 9859840.

The previous prime is 20952293. The next prime is 20952319. The reversal of 20952296 is 69225902.

It can be written as a sum of positive squares in 2 ways, for example, as 20124196 + 828100 = 4486^2 + 910^2 .

It is not an unprimeable number, because it can be changed into a prime (20952293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76895 + ... + 77166.

Almost surely, 220952296 is an apocalyptic number.

It is an amenable number.

20952296 is a deficient number, since it is larger than the sum of its proper divisors (20644444).

20952296 is a wasteful number, since it uses less digits than its factorization.

20952296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154084 (or 154080 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 20952296 is about 4577.3678025695. The cubic root of 20952296 is about 275.6833517618.

The spelling of 20952296 in words is "twenty million, nine hundred fifty-two thousand, two hundred ninety-six".

Divisors: 1 2 4 8 17 34 68 136 154061 308122 616244 1232488 2619037 5238074 10476148 20952296