Search a number
-
+
54402072 = 2332266753
BaseRepresentation
bin1100111110000…
…1110000011000
310210100220121120
43033201300120
5102411331242
65222005240
71230260424
oct317416030
9123326546
1054402072
112878809a
1216276820
13b369c9a
147321b84
154b991ec
hex33e1c18

54402072 has 16 divisors (see below), whose sum is σ = 136005240. Its totient is φ = 18134016.

The previous prime is 54402067. The next prime is 54402079. The reversal of 54402072 is 27020445.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2266753 = 54402072 / (5 + 4 + 4 + 0 + 2 + 0 + 7 + 2).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54402079) 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, 1133353 + ... + 1133400.

Almost surely, 254402072 is an apocalyptic number.

It is an amenable number.

54402072 is an abundant number, since it is smaller than the sum of its proper divisors (81603168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54402072 is a wasteful number, since it uses less digits than its factorization.

54402072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266762 (or 2266758 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 54402072 is about 7375.7760269683. The cubic root of 54402072 is about 378.9121054500.

The spelling of 54402072 in words is "fifty-four million, four hundred two thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 24 2266753 4533506 6800259 9067012 13600518 18134024 27201036 54402072