Search a number
-
+
55100936 = 2311626147
BaseRepresentation
bin1101001000110…
…0011000001000
310211200102021102
43102030120020
5103101212221
65245000532
71236231062
oct322143010
9124612242
1055100936
1129115170
1216553148
13b553107
147464732
154c8630b
hex348c608

55100936 has 16 divisors (see below), whose sum is σ = 112706640. Its totient is φ = 25045840.

The previous prime is 55100933. The next prime is 55100953. The reversal of 55100936 is 63900155.

It is a super-2 number, since 2×551009362 = 6072226296152192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55100899 and 55100908.

It is not an unprimeable number, because it can be changed into a prime (55100933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312986 + ... + 313161.

It is an arithmetic number, because the mean of its divisors is an integer number (7044165).

Almost surely, 255100936 is an apocalyptic number.

It is an amenable number.

55100936 is an abundant number, since it is smaller than the sum of its proper divisors (57605704).

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

55100936 is a wasteful number, since it uses less digits than its factorization.

55100936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626164 (or 626160 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 55100936 is about 7423.0004715075. Note that the first 3 decimals coincide. The cubic root of 55100936 is about 380.5277431864.

The spelling of 55100936 in words is "fifty-five million, one hundred thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 11 22 44 88 626147 1252294 2504588 5009176 6887617 13775234 27550468 55100936