Search a number
-
+
2053552220 = 225313312181
BaseRepresentation
bin111101001100110…
…1011100001011100
312022010010021001122
41322121223201130
513201202132340
6535434430112
7101613622466
oct17231534134
95263107048
102053552220
119641a41a5
12493892338
132695a7575
14156a39136
15c043edb5
hex7a66b85c

2053552220 has 24 divisors (see below), whose sum is σ = 4451572608. Its totient is φ = 794923200.

The previous prime is 2053552183. The next prime is 2053552279. The reversal of 2053552220 is 222553502.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2053552220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1655471 + ... + 1656710.

It is an arithmetic number, because the mean of its divisors is an integer number (185482192).

Almost surely, 22053552220 is an apocalyptic number.

2053552220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2053552220 is an abundant number, since it is smaller than the sum of its proper divisors (2398020388).

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

2053552220 is a wasteful number, since it uses less digits than its factorization.

2053552220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312221 (or 3312219 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 2053552220 is about 45316.1364196022. The cubic root of 2053552220 is about 1271.0674102145.

The spelling of 2053552220 in words is "two billion, fifty-three million, five hundred fifty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 3312181 6624362 13248724 16560905 33121810 66243620 102677611 205355222 410710444 513388055 1026776110 2053552220