[go: up one dir, main page]

Search a number
-
+
54440025 = 352725867
BaseRepresentation
bin1100111110101…
…1000001011001
310210102211200020
43033223001121
5102414040100
65222501053
71230506163
oct317530131
9123384606
1054440025
1128803662
1216294789
13b381343
147331933
154ba55a0
hex33eb059

54440025 has 12 divisors (see below), whose sum is σ = 90007632. Its totient is φ = 29034640.

The previous prime is 54439993. The next prime is 54440027. The reversal of 54440025 is 52004445.

It is not a de Polignac number, because 54440025 - 25 = 54439993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54439977 and 54440004.

It is not an unprimeable number, because it can be changed into a prime (54440027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362859 + ... + 363008.

It is an arithmetic number, because the mean of its divisors is an integer number (7500636).

Almost surely, 254440025 is an apocalyptic number.

It is an amenable number.

54440025 is a deficient number, since it is larger than the sum of its proper divisors (35567607).

54440025 is a wasteful number, since it uses less digits than its factorization.

54440025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725880 (or 725875 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 54440025 is about 7378.3483924250. The cubic root of 54440025 is about 379.0001995715. Note that the first 3 decimals are identical.

The spelling of 54440025 in words is "fifty-four million, four hundred forty thousand, twenty-five".

Divisors: 1 3 5 15 25 75 725867 2177601 3629335 10888005 18146675 54440025