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55102674 = 23112711069
BaseRepresentation
bin1101001000110…
…0110011010010
310211200111122210
43102030303102
5103101241144
65245012550
71236236124
oct322146322
9124614583
1055102674
1129116500
1216554156
13b553b43
147465214
154c86ab9
hex348ccd2

55102674 has 48 divisors (see below), whose sum is σ = 122955840. Its totient is φ = 16447200.

The previous prime is 55102601. The next prime is 55102681. The reversal of 55102674 is 47620155.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51012 + ... + 52080.

It is an arithmetic number, because the mean of its divisors is an integer number (2561580).

Almost surely, 255102674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55102674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61477920).

55102674 is an abundant number, since it is smaller than the sum of its proper divisors (67853166).

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

55102674 is a wasteful number, since it uses less digits than its factorization.

55102674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 55102674 is about 7423.1175391476. The cubic root of 55102674 is about 380.5317440275.

The spelling of 55102674 in words is "fifty-five million, one hundred two thousand, six hundred seventy-four".

Divisors: 1 2 3 6 11 22 33 66 71 121 142 213 242 363 426 726 781 1069 1562 2138 2343 3207 4686 6414 8591 11759 17182 23518 25773 35277 51546 70554 75899 129349 151798 227697 258698 388047 455394 776094 834889 1669778 2504667 5009334 9183779 18367558 27551337 55102674