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55214310 = 2355033659
BaseRepresentation
bin1101001010100…
…0000011100110
310211220011210110
43102220003212
5103113324220
65251233450
71240212444
oct322500346
9124804713
1055214310
1129192368
12165a8886
13b5928b8
147493b94
154ca9be0
hex34a80e6

55214310 has 32 divisors (see below), whose sum is σ = 132814080. Its totient is φ = 14690528.

The previous prime is 55214309. The next prime is 55214321. The reversal of 55214310 is 1341255.

It is a super-2 number, since 2×552143102 = 6097240057552200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13261 + ... + 16919.

It is an arithmetic number, because the mean of its divisors is an integer number (4150440).

Almost surely, 255214310 is an apocalyptic number.

55214310 is an abundant number, since it is smaller than the sum of its proper divisors (77599770).

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

55214310 is a wasteful number, since it uses less digits than its factorization.

55214310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 55214310 is about 7430.6332166243. The cubic root of 55214310 is about 380.7885518046.

Adding to 55214310 its reverse (1341255), we get a palindrome (56555565).

The spelling of 55214310 in words is "fifty-five million, two hundred fourteen thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 503 1006 1509 2515 3018 3659 5030 7318 7545 10977 15090 18295 21954 36590 54885 109770 1840477 3680954 5521431 9202385 11042862 18404770 27607155 55214310