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5489400455 = 571123619921
BaseRepresentation
bin1010001110011000…
…11001101010000111
3112011120021102202222
411013030121222013
542220241303310
62304412522555
7253014063650
oct50714315207
915146242688
105489400455
1123676948a0
12109248045b
13696372266
143a1098527
15221dc9055
hex147319a87

5489400455 has 32 divisors (see below), whose sum is σ = 8569801728. Its totient is φ = 3273177600.

The previous prime is 5489400451. The next prime is 5489400479. The reversal of 5489400455 is 5540049845.

It is not a de Polignac number, because 5489400455 - 22 = 5489400451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5489400451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301106 + ... + 318815.

It is an arithmetic number, because the mean of its divisors is an integer number (267806304).

Almost surely, 25489400455 is an apocalyptic number.

5489400455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5489400455 is a deficient number, since it is larger than the sum of its proper divisors (3080401273).

5489400455 is a wasteful number, since it uses less digits than its factorization.

5489400455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619967.

The product of its (nonzero) digits is 576000, while the sum is 44.

The square root of 5489400455 is about 74090.4882896583. The cubic root of 5489400455 is about 1764.0394964402.

The spelling of 5489400455 in words is "five billion, four hundred eighty-nine million, four hundred thousand, four hundred fifty-five".

Divisors: 1 5 7 11 23 35 55 77 115 161 253 385 805 1265 1771 8855 619921 3099605 4339447 6819131 14258183 21697235 34095655 47733917 71290915 99807281 156840013 238669585 499036405 784200065 1097880091 5489400455