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55614307 = 710972889
BaseRepresentation
bin1101010000100…
…1101101100011
310212122111111011
43110021231203
5103214124212
65304001351
71243466560
oct324115543
9125574434
1055614307
1129435941
1216760257
13b6a2998
147559867
154d384a7
hex3509b63

55614307 has 8 divisors (see below), whose sum is σ = 64143200. Its totient is φ = 47231424.

The previous prime is 55614287. The next prime is 55614353. The reversal of 55614307 is 70341655.

55614307 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55614307 is a prime.

It is a super-2 number, since 2×556143072 = 6185902286180498, which contains 22 as substring.

It is the 7458-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55614107) by changing a digit.

It is a nontrivial repunit in base 7457.

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, 35682 + ... + 37207.

It is an arithmetic number, because the mean of its divisors is an integer number (8017900).

Almost surely, 255614307 is an apocalyptic number.

55614307 is a deficient number, since it is larger than the sum of its proper divisors (8528893).

55614307 is a wasteful number, since it uses less digits than its factorization.

55614307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73005.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 55614307 is about 7457.5000502849. The cubic root of 55614307 is about 381.7058740278.

The spelling of 55614307 in words is "fifty-five million, six hundred fourteen thousand, three hundred seven".

Divisors: 1 7 109 763 72889 510223 7944901 55614307