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55135106 = 2133721549
BaseRepresentation
bin1101001001010…
…0101110000010
310211202011010222
43102110232002
5103103310411
65245423042
71236432515
oct322245602
9124664128
1055135106
1129138904
121656aa82
13b565830
147472d7c
154c914db
hex3494b82

55135106 has 24 divisors (see below), whose sum is σ = 91595700. Its totient is φ = 24743232.

The previous prime is 55135099. The next prime is 55135109. The reversal of 55135106 is 60153155.

It can be written as a sum of positive squares in 6 ways, for example, as 37149025 + 17986081 = 6095^2 + 4241^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (55135109) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 34820 + ... + 36368.

Almost surely, 255135106 is an apocalyptic number.

55135106 is a deficient number, since it is larger than the sum of its proper divisors (36460594).

55135106 is a wasteful number, since it uses less digits than its factorization.

55135106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1601 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 55135106 is about 7425.3017447104. The cubic root of 55135106 is about 380.6063864126.

The spelling of 55135106 in words is "fifty-five million, one hundred thirty-five thousand, one hundred six".

Divisors: 1 2 13 26 37 74 481 962 1369 1549 2738 3098 17797 20137 35594 40274 57313 114626 745069 1490138 2120581 4241162 27567553 55135106