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55230430 = 258096827
BaseRepresentation
bin1101001010101…
…1111111011110
310211220222220111
43102223333132
5103114333210
65251440234
71240310443
oct322537736
9124828814
1055230430
11291a3492
12165b607a
13b59a038
1474999ca
154cae88a
hex34abfde

55230430 has 16 divisors (see below), whose sum is σ = 99552240. Its totient is φ = 22061632.

The previous prime is 55230421. The next prime is 55230443. The reversal of 55230430 is 3403255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4677 + ... + 11503.

It is an arithmetic number, because the mean of its divisors is an integer number (6222015).

Almost surely, 255230430 is an apocalyptic number.

55230430 is a deficient number, since it is larger than the sum of its proper divisors (44321810).

55230430 is a wasteful number, since it uses less digits than its factorization.

55230430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7643.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 55230430 is about 7431.7178364090. The cubic root of 55230430 is about 380.8256056903.

Adding to 55230430 its reverse (3403255), we get a palindrome (58633685).

The spelling of 55230430 in words is "fifty-five million, two hundred thirty thousand, four hundred thirty".

Divisors: 1 2 5 10 809 1618 4045 6827 8090 13654 34135 68270 5523043 11046086 27615215 55230430