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4990907 = 31160997
BaseRepresentation
bin10011000010011110111011
3100101120020102
4103002132323
52234202112
6254550015
760264515
oct23023673
910346212
104990907
1128a9819
12180830b
1310598cc
1493cbb5
15688bc2
hex4c27bb

4990907 has 4 divisors (see below), whose sum is σ = 5151936. Its totient is φ = 4829880.

The previous prime is 4990891. The next prime is 4990919. The reversal of 4990907 is 7090994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7090994 = 23545497.

It is a cyclic number.

It is not a de Polignac number, because 4990907 - 24 = 4990891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4990927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80468 + ... + 80529.

It is an arithmetic number, because the mean of its divisors is an integer number (1287984).

Almost surely, 24990907 is an apocalyptic number.

4990907 is a deficient number, since it is larger than the sum of its proper divisors (161029).

4990907 is a wasteful number, since it uses less digits than its factorization.

4990907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161028.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 4990907 is about 2234.0337956262. The cubic root of 4990907 is about 170.8938730243.

The spelling of 4990907 in words is "four million, nine hundred ninety thousand, nine hundred seven".

Divisors: 1 31 160997 4990907