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4840990721 = 72313186959
BaseRepresentation
bin1001000001000101…
…11010100000000001
3110111101011210211122
410200202322200001
534403243200341
62120211122025
7230651512400
oct44042724001
913441153748
104840990721
112064681a86
12b312a3315
135c1c27068
1433cd0d637
151d4ee794b
hex1208ba801

4840990721 has 12 divisors (see below), whose sum is σ = 5813015040. Its totient is φ = 4015567080.

The previous prime is 4840990709. The next prime is 4840990787. The reversal of 4840990721 is 1270990484.

It is not a de Polignac number, because 4840990721 - 222 = 4836796417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4840993721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1591961 + ... + 1594998.

It is an arithmetic number, because the mean of its divisors is an integer number (484417920).

Almost surely, 24840990721 is an apocalyptic number.

It is an amenable number.

4840990721 is a deficient number, since it is larger than the sum of its proper divisors (972024319).

4840990721 is a wasteful number, since it uses less digits than its factorization.

4840990721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187004 (or 3186997 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 4840990721 is about 69577.2284659284. The cubic root of 4840990721 is about 1691.6535198873.

The spelling of 4840990721 in words is "four billion, eight hundred forty million, nine hundred ninety thousand, seven hundred twenty-one".

Divisors: 1 7 31 49 217 1519 3186959 22308713 98795729 156160991 691570103 4840990721