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20299948 = 225074987
BaseRepresentation
bin100110101110…
…0000010101100
31102012100021221
41031130002230
520144044243
62003033124
7334355344
oct115340254
942170257
1020299948
1110505719
12696b7a4
134289b06
1429a5d24
151baebed
hex135c0ac

20299948 has 6 divisors (see below), whose sum is σ = 35524916. Its totient is φ = 10149972.

The previous prime is 20299931. The next prime is 20299949. The reversal of 20299948 is 84999202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20299949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2537490 + ... + 2537497.

Almost surely, 220299948 is an apocalyptic number.

It is an amenable number.

20299948 is a deficient number, since it is larger than the sum of its proper divisors (15224968).

20299948 is a wasteful number, since it uses less digits than its factorization.

20299948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5074991 (or 5074989 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 20299948 is about 4505.5463597659. The cubic root of 20299948 is about 272.7920074885.

The spelling of 20299948 in words is "twenty million, two hundred ninety-nine thousand, nine hundred forty-eight".

Divisors: 1 2 4 5074987 10149974 20299948