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4980020 = 2254992
BaseRepresentation
bin10010111111110100110100
3100101000022012
4102333310310
52233330040
6254423352
760221003
oct22776464
910330265
104980020
1128a1621
121801b58
131054976
14938c3a
15685865
hex4bfd34

4980020 has 18 divisors (see below), whose sum is σ = 10479042. Its totient is φ = 1988016.

The previous prime is 4979999. The next prime is 4980047. The reversal of 4980020 is 200894.

It can be written as a sum of positive squares in only one way, i.e., 3984016 + 996004 = 1996^2 + 998^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9731 + ... + 10229.

It is an arithmetic number, because the mean of its divisors is an integer number (582169).

Almost surely, 24980020 is an apocalyptic number.

It is an amenable number.

4980020 is an abundant number, since it is smaller than the sum of its proper divisors (5499022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4980020 is an equidigital number, since it uses as much as digits as its factorization.

4980020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 4980020 is about 2231.5958415448. The cubic root of 4980020 is about 170.7695218082.

The spelling of 4980020 in words is "four million, nine hundred eighty thousand, twenty".

Divisors: 1 2 4 5 10 20 499 998 1996 2495 4990 9980 249001 498002 996004 1245005 2490010 4980020