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54313661 = 129142071
BaseRepresentation
bin1100111100110…
…0001010111101
310210012102100002
43033030022331
5102401014121
65220044045
71226441603
oct317141275
9123172302
1054313661
1128727726
1216233625
13b33897c
1472db873
154b7ce0b
hex33cc2bd

54313661 has 4 divisors (see below), whose sum is σ = 54357024. Its totient is φ = 54270300.

The previous prime is 54313621. The next prime is 54313663. The reversal of 54313661 is 16631345.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 54313661 - 222 = 50119357 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 (54313663) 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, 19745 + ... + 22326.

It is an arithmetic number, because the mean of its divisors is an integer number (13589256).

Almost surely, 254313661 is an apocalyptic number.

It is an amenable number.

54313661 is a deficient number, since it is larger than the sum of its proper divisors (43363).

54313661 is a wasteful number, since it uses less digits than its factorization.

54313661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43362.

The product of its digits is 6480, while the sum is 29.

The square root of 54313661 is about 7369.7802545259. The cubic root of 54313661 is about 378.7067323780.

The spelling of 54313661 in words is "fifty-four million, three hundred thirteen thousand, six hundred sixty-one".

Divisors: 1 1291 42071 54313661