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55232232 = 23311209213
BaseRepresentation
bin1101001010110…
…0011011101000
310211221002101020
43102230123220
5103114412412
65251452440
71240315626
oct322543350
9124832336
1055232232
11291a4880
12165b7120
13b59aac3
14749a516
154cb018c
hex34ac6e8

55232232 has 32 divisors (see below), whose sum is σ = 150634080. Its totient is φ = 16736960.

The previous prime is 55232227. The next prime is 55232237. The reversal of 55232232 is 23223255.

55232232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55232227) and next prime (55232237).

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (55232237) 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 7 ways as a sum of consecutive naturals, for example, 104343 + ... + 104870.

It is an arithmetic number, because the mean of its divisors is an integer number (4707315).

Almost surely, 255232232 is an apocalyptic number.

It is an amenable number.

55232232 is an abundant number, since it is smaller than the sum of its proper divisors (95401848).

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

55232232 is a wasteful number, since it uses less digits than its factorization.

55232232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209233 (or 209229 counting only the distinct ones).

The product of its digits is 3600, while the sum is 24.

The square root of 55232232 is about 7431.8390725311. The cubic root of 55232232 is about 380.8297473701.

Adding to 55232232 its reverse (23223255), we get a palindrome (78455487).

The spelling of 55232232 in words is "fifty-five million, two hundred thirty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 209213 418426 627639 836852 1255278 1673704 2301343 2510556 4602686 5021112 6904029 9205372 13808058 18410744 27616116 55232232