Search a number
-
+
220542892 = 2255135723
BaseRepresentation
bin11010010010100…
…11011110101100
3120100222201222021
431021103132230
5422424333032
633514555524
75315404123
oct1511233654
9510881867
10220542892
11103544159
1261a38ba4
13368ca86b
142140caba
1514566097
hexd2537ac

220542892 has 6 divisors (see below), whose sum is σ = 385950068. Its totient is φ = 110271444.

The previous prime is 220542859. The next prime is 220542901. The reversal of 220542892 is 298245022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27567858 + ... + 27567865.

Almost surely, 2220542892 is an apocalyptic number.

It is an amenable number.

220542892 is a deficient number, since it is larger than the sum of its proper divisors (165407176).

220542892 is a wasteful number, since it uses less digits than its factorization.

220542892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55135727 (or 55135725 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 220542892 is about 14850.6865834547. The cubic root of 220542892 is about 604.1772318808.

It can be divided in two parts, 220 and 542892, that multiplied together give a triangular number (119436240 = T15455).

The spelling of 220542892 in words is "two hundred twenty million, five hundred forty-two thousand, eight hundred ninety-two".

Divisors: 1 2 4 55135723 110271446 220542892