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4972818 = 231575279
BaseRepresentation
bin10010111110000100010010
3100100122102110
4102332010102
52233112233
6254330150
760161004
oct22760422
910318373
104972818
112897174
1217b9956
1310515c6
14936374
15683663
hex4be112

4972818 has 16 divisors (see below), whose sum is σ = 10010880. Its totient is φ = 1646736.

The previous prime is 4972783. The next prime is 4972829. The reversal of 4972818 is 8182794.

It is a super-2 number, since 2×49728182 = 49457837722248, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1698 + ... + 3581.

It is an arithmetic number, because the mean of its divisors is an integer number (625680).

Almost surely, 24972818 is an apocalyptic number.

4972818 is an abundant number, since it is smaller than the sum of its proper divisors (5038062).

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

4972818 is a wasteful number, since it uses less digits than its factorization.

4972818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441.

The product of its digits is 32256, while the sum is 39.

The square root of 4972818 is about 2229.9816142740. The cubic root of 4972818 is about 170.6871609978.

The spelling of 4972818 in words is "four million, nine hundred seventy-two thousand, eight hundred eighteen".

Divisors: 1 2 3 6 157 314 471 942 5279 10558 15837 31674 828803 1657606 2486409 4972818