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2544428290 = 25968926261
BaseRepresentation
bin1001011110101000…
…1110010100000010
320120022210100102211
42113222032110002
520202333201130
61100251532334
7120024166165
oct22752162402
96508710384
102544428290
1110962996a8
125b015a0aa
133171b6791
141a1cd7adc
15ed5a4a2a
hex97a8e502

2544428290 has 16 divisors (see below), whose sum is σ = 4580618040. Its totient is φ = 1017627520.

The previous prime is 2544428251. The next prime is 2544428297. The reversal of 2544428290 is 928244452.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1265865241 + 1278563049 = 35579^2 + 35757^2 .

It is not an unprimeable number, because it can be changed into a prime (2544428297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83760 + ... + 110020.

Almost surely, 22544428290 is an apocalyptic number.

2544428290 is a deficient number, since it is larger than the sum of its proper divisors (2036189750).

2544428290 is a wasteful number, since it uses less digits than its factorization.

2544428290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35957.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 2544428290 is about 50442.3263737905. The cubic root of 2544428290 is about 1365.2014426278.

The spelling of 2544428290 in words is "two billion, five hundred forty-four million, four hundred twenty-eight thousand, two hundred ninety".

Divisors: 1 2 5 10 9689 19378 26261 48445 52522 96890 131305 262610 254442829 508885658 1272214145 2544428290