Search a number
-
+
622052240 = 24512776089
BaseRepresentation
bin100101000100111…
…100001110010000
31121100111112020212
4211010330032100
52233221132430
6141420423252
721262233245
oct4504741620
91540445225
10622052240
1129a150067
121543a7b28
139bb4a164
145c8875cc
1539926b95
hex2513c390

622052240 has 40 divisors (see below), whose sum is σ = 1447641720. Its totient is φ = 248585216.

The previous prime is 622052159. The next prime is 622052257. The reversal of 622052240 is 42250226.

It can be written as a sum of positive squares in 4 ways, for example, as 39891856 + 582160384 = 6316^2 + 24128^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99116 + ... + 105204.

It is an arithmetic number, because the mean of its divisors is an integer number (36191043).

Almost surely, 2622052240 is an apocalyptic number.

It is an amenable number.

622052240 is an abundant number, since it is smaller than the sum of its proper divisors (825589480).

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

622052240 is a wasteful number, since it uses less digits than its factorization.

622052240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7379 (or 7373 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 622052240 is about 24940.9751212738. The cubic root of 622052240 is about 853.6416949260.

The spelling of 622052240 in words is "six hundred twenty-two million, fifty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1277 2554 5108 6089 6385 10216 12178 12770 20432 24356 25540 30445 48712 51080 60890 97424 102160 121780 243560 487120 7775653 15551306 31102612 38878265 62205224 77756530 124410448 155513060 311026120 622052240