Search a number
-
+
54664131 = 329362189
BaseRepresentation
bin1101000010000…
…1101111000011
310210212020002110
43100201233003
5102443223011
65231350403
71232431434
oct320415703
9123766073
1054664131
1128946a75
1216382403
13b42c352
14738d48b
154bebba6
hex3421bc3

54664131 has 8 divisors (see below), whose sum is σ = 73135440. Its totient is φ = 36317792.

The previous prime is 54664109. The next prime is 54664139. The reversal of 54664131 is 13146645.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54664131 - 27 = 54664003 is a prime.

It is a super-2 number, since 2×546641312 = 5976334435970322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54664139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30216 + ... + 31973.

It is an arithmetic number, because the mean of its divisors is an integer number (9141930).

Almost surely, 254664131 is an apocalyptic number.

54664131 is a deficient number, since it is larger than the sum of its proper divisors (18471309).

54664131 is a wasteful number, since it uses less digits than its factorization.

54664131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62485.

The product of its digits is 8640, while the sum is 30.

The square root of 54664131 is about 7393.5195272617. The cubic root of 54664131 is about 379.5195474594.

The spelling of 54664131 in words is "fifty-four million, six hundred sixty-four thousand, one hundred thirty-one".

Divisors: 1 3 293 879 62189 186567 18221377 54664131