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4920863 = 19724979
BaseRepresentation
bin10010110001011000011111
3100021000011012
4102301120133
52224431423
6253245435
756553353
oct22613037
910230135
104920863
112861132
12179387b
131033a6c
14921463
15673078
hex4b161f

4920863 has 4 divisors (see below), whose sum is σ = 4946040. Its totient is φ = 4895688.

The previous prime is 4920841. The next prime is 4920887. The reversal of 4920863 is 3680294.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4920863 - 210 = 4919839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4920833) 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, 12293 + ... + 12686.

It is an arithmetic number, because the mean of its divisors is an integer number (1236510).

Almost surely, 24920863 is an apocalyptic number.

4920863 is a deficient number, since it is larger than the sum of its proper divisors (25177).

4920863 is a wasteful number, since it uses less digits than its factorization.

4920863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25176.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 4920863 is about 2218.3018279756. The cubic root of 4920863 is about 170.0906437019.

The spelling of 4920863 in words is "four million, nine hundred twenty thousand, eight hundred sixty-three".

Divisors: 1 197 24979 4920863