Search a number
-
+
55223974 = 2132123999
BaseRepresentation
bin1101001010101…
…0011010100110
310211220200001101
43102222122212
5103114131344
65251350314
71240252561
oct322523246
9124820041
1055223974
1129199653
12165b239a
13b597110
1474974d8
154cac9d4
hex34aa6a6

55223974 has 8 divisors (see below), whose sum is σ = 89208000. Its totient is φ = 25487976.

The previous prime is 55223963. The next prime is 55223977. The reversal of 55223974 is 47932255.

55223974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55223977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061974 + ... + 1062025.

It is an arithmetic number, because the mean of its divisors is an integer number (11151000).

Almost surely, 255223974 is an apocalyptic number.

55223974 is a deficient number, since it is larger than the sum of its proper divisors (33984026).

55223974 is a wasteful number, since it uses less digits than its factorization.

55223974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124014.

The product of its digits is 75600, while the sum is 37.

The square root of 55223974 is about 7431.2834692266. The cubic root of 55223974 is about 380.8107666126.

The spelling of 55223974 in words is "fifty-five million, two hundred twenty-three thousand, nine hundred seventy-four".

Divisors: 1 2 13 26 2123999 4247998 27611987 55223974