Search a number
-
+
55410212 = 221113731327
BaseRepresentation
bin1101001101011…
…1111000100100
310212021010112002
43103113320210
5103141111322
65255344432
71241656544
oct323277044
9125233462
1055410212
1129306570
1216682118
13b630b10
147505324
154ce7c92
hex34d7e24

55410212 has 48 divisors (see below), whose sum is σ = 115567872. Its totient is φ = 22913280.

The previous prime is 55410211. The next prime is 55410217. The reversal of 55410212 is 21201455.

It is not an unprimeable number, because it can be changed into a prime (55410211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41093 + ... + 42419.

It is an arithmetic number, because the mean of its divisors is an integer number (2407664).

Almost surely, 255410212 is an apocalyptic number.

55410212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55410212 is an abundant number, since it is smaller than the sum of its proper divisors (60157660).

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

55410212 is a wasteful number, since it uses less digits than its factorization.

55410212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1426 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 55410212 is about 7443.8035976240. The cubic root of 55410212 is about 381.2383699041.

Adding to 55410212 its reverse (21201455), we get a palindrome (76611667).

The spelling of 55410212 in words is "fifty-five million, four hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 11 13 22 26 44 52 73 143 146 286 292 572 803 949 1327 1606 1898 2654 3212 3796 5308 10439 14597 17251 20878 29194 34502 41756 58388 69004 96871 189761 193742 379522 387484 759044 1065581 1259323 2131162 2518646 4262324 5037292 13852553 27705106 55410212