Search a number
-
+
54768101 = 172189509
BaseRepresentation
bin1101000011101…
…1000111100101
310211001111201012
43100323013211
5103010034401
65233512005
71233343523
oct320730745
9124044635
1054768101
1128a080a3
1216412605
13b46777b
1473b9313
154c1c8bb
hex343b1e5

54768101 has 6 divisors (see below), whose sum is σ = 58179570. Its totient is φ = 51546176.

The previous prime is 54768073. The next prime is 54768121. The reversal of 54768101 is 10186745.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7845601 + 46922500 = 2801^2 + 6850^2 .

It is not a de Polignac number, because 54768101 - 210 = 54767077 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 (54768121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94466 + ... + 95043.

It is an arithmetic number, because the mean of its divisors is an integer number (9696595).

Almost surely, 254768101 is an apocalyptic number.

It is an amenable number.

54768101 is a deficient number, since it is larger than the sum of its proper divisors (3411469).

54768101 is a wasteful number, since it uses less digits than its factorization.

54768101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189543 (or 189526 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 54768101 is about 7400.5473446226. The cubic root of 54768101 is about 379.7600077425.

The spelling of 54768101 in words is "fifty-four million, seven hundred sixty-eight thousand, one hundred one".

Divisors: 1 17 289 189509 3221653 54768101