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4945774420 = 225247288721
BaseRepresentation
bin1001001101100101…
…01000011101010100
3110202200100101001101
410212302220131110
540112104240140
62134433035444
7233363250256
oct44662503524
913680311041
104945774420
112108840584
12b603b5b84
1360a854052
1434cbc7cd6
151de2e499a
hex126ca8754

4945774420 has 12 divisors (see below), whose sum is σ = 10386126324. Its totient is φ = 1978309760.

The previous prime is 4945774417. The next prime is 4945774451. The reversal of 4945774420 is 244775494.

It can be written as a sum of positive squares in 2 ways, for example, as 2705456196 + 2240318224 = 52014^2 + 47332^2 .

It is a super-2 number, since 2×49457744202 = 48921369227052672800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123644341 + ... + 123644380.

It is an arithmetic number, because the mean of its divisors is an integer number (865510527).

Almost surely, 24945774420 is an apocalyptic number.

It is an amenable number.

4945774420 is an abundant number, since it is smaller than the sum of its proper divisors (5440351904).

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

4945774420 is a wasteful number, since it uses less digits than its factorization.

4945774420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247288730 (or 247288728 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The square root of 4945774420 is about 70326.2000964079. The cubic root of 4945774420 is about 1703.7718350596.

The spelling of 4945774420 in words is "four billion, nine hundred forty-five million, seven hundred seventy-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 247288721 494577442 989154884 1236443605 2472887210 4945774420