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55106874 = 23210932801
BaseRepresentation
bin1101001000110…
…1110100111010
310211200201102100
43102031310322
5103101404444
65245044230
71236254304
oct322156472
9124621370
1055106874
1129119679
1216556676
13b555a24
147466974
154c87e69
hex348dd3a

55106874 has 24 divisors (see below), whose sum is σ = 119550132. Its totient is φ = 18345600.

The previous prime is 55106869. The next prime is 55106879. The reversal of 55106874 is 47860155.

It is an interprime number because it is at equal distance from previous prime (55106869) and next prime (55106879).

It can be written as a sum of positive squares in 2 ways, for example, as 49070025 + 6036849 = 7005^2 + 2457^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55106879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18274 + ... + 21074.

Almost surely, 255106874 is an apocalyptic number.

55106874 is an abundant number, since it is smaller than the sum of its proper divisors (64443258).

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

55106874 is a wasteful number, since it uses less digits than its factorization.

55106874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3902 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 55106874 is about 7423.4004337635. The cubic root of 55106874 is about 380.5414119958.

It can be divided in two parts, 55 and 106874, that added together give a square (106929 = 3272).

The spelling of 55106874 in words is "fifty-five million, one hundred six thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 18 1093 2186 2801 3279 5602 6558 8403 9837 16806 19674 25209 50418 3061493 6122986 9184479 18368958 27553437 55106874