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5407469921 = 72891239961
BaseRepresentation
bin1010000100100111…
…10111000101100001
3111221212002221012202
411002103313011201
542033303014141
62252324502545
7251000510300
oct50223670541
914855087182
105407469921
112325415207
12106ab4aa55
136823b7259
1439424c437
15219ae349b
hex1424f7161

5407469921 has 12 divisors (see below), whose sum is σ = 6361005060. Its totient is φ = 4582892160.

The previous prime is 5407469857. The next prime is 5407469927. The reversal of 5407469921 is 1299647045.

It can be written as a sum of positive squares in 2 ways, for example, as 460317025 + 4947152896 = 21455^2 + 70336^2 .

It is not a de Polignac number, because 5407469921 - 26 = 5407469857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5407469927) 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, 615620 + ... + 624341.

It is an arithmetic number, because the mean of its divisors is an integer number (530083755).

Almost surely, 25407469921 is an apocalyptic number.

It is an amenable number.

5407469921 is a deficient number, since it is larger than the sum of its proper divisors (953535139).

5407469921 is a wasteful number, since it uses less digits than its factorization.

5407469921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240064 (or 1240057 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 5407469921 is about 73535.5010930095. The cubic root of 5407469921 is about 1755.2192398786.

The spelling of 5407469921 in words is "five billion, four hundred seven million, four hundred sixty-nine thousand, nine hundred twenty-one".

Divisors: 1 7 49 89 623 4361 1239961 8679727 60758089 110356529 772495703 5407469921