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45430553 = 76490079
BaseRepresentation
bin1010110101001…
…1011100011001
310011111010000002
42231103130121
543112234203
64301422345
71061103410
oct255233431
9104433002
1045430553
112370a713
121326a9b5
1395485ac
146068477
153ec5d88
hex2b53719

45430553 has 4 divisors (see below), whose sum is σ = 51920640. Its totient is φ = 38940468.

The previous prime is 45430523. The next prime is 45430571. The reversal of 45430553 is 35503454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45430553 - 214 = 45414169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45430523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3245033 + ... + 3245046.

It is an arithmetic number, because the mean of its divisors is an integer number (12980160).

Almost surely, 245430553 is an apocalyptic number.

It is an amenable number.

45430553 is a deficient number, since it is larger than the sum of its proper divisors (6490087).

45430553 is an equidigital number, since it uses as much as digits as its factorization.

45430553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6490086.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 45430553 is about 6740.2190617220. The cubic root of 45430553 is about 356.8201250529.

The spelling of 45430553 in words is "forty-five million, four hundred thirty thousand, five hundred fifty-three".

Divisors: 1 7 6490079 45430553