Search a number
-
+
7242053477 = 7991671563
BaseRepresentation
bin1101011111010100…
…01111011101100101
3200200201012102201212
412233222033131211
5104312431202402
63154342201205
7344315303351
oct65752173545
920621172655
107242053477
113086a4aa6a
1214a1423205
138b54c5659
144c9b68461
152c5bcd952
hex1afa8f765

7242053477 has 4 divisors (see below), whose sum is σ = 7333725120. Its totient is φ = 7150381836.

The previous prime is 7242053473. The next prime is 7242053503. The reversal of 7242053477 is 7743502427.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7743502427 = 64112080347.

It is a cyclic number.

It is not a de Polignac number, because 7242053477 - 22 = 7242053473 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 (7242053473) 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, 45835703 + ... + 45835860.

It is an arithmetic number, because the mean of its divisors is an integer number (1833431280).

Almost surely, 27242053477 is an apocalyptic number.

It is an amenable number.

7242053477 is a deficient number, since it is larger than the sum of its proper divisors (91671643).

7242053477 is an equidigital number, since it uses as much as digits as its factorization.

7242053477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91671642.

The product of its (nonzero) digits is 329280, while the sum is 41.

The square root of 7242053477 is about 85100.2554461501. The cubic root of 7242053477 is about 1934.7309351300.

The spelling of 7242053477 in words is "seven billion, two hundred forty-two million, fifty-three thousand, four hundred seventy-seven".

Divisors: 1 79 91671563 7242053477