Search a number
-
+
7251226830 = 232580569187
BaseRepresentation
bin1101100000011010…
…01111000011001110
3200201100110111012200
412300031033003032
5104322303224310
63155310542330
7344456261001
oct66015170316
920640414180
107251226830
113091146051
1214a45079a6
138b7387b83
144cb075538
152c68e19c0
hex1b034f0ce

7251226830 has 24 divisors (see below), whose sum is σ = 18853189992. Its totient is φ = 1933660464.

The previous prime is 7251226793. The next prime is 7251226841. The reversal of 7251226830 is 386221527.

It is a super-2 number, since 2×72512268302 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40284504 + ... + 40284683.

It is an arithmetic number, because the mean of its divisors is an integer number (785549583).

Almost surely, 27251226830 is an apocalyptic number.

7251226830 is an abundant number, since it is smaller than the sum of its proper divisors (11601963162).

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

7251226830 is a wasteful number, since it uses less digits than its factorization.

7251226830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80569200 (or 80569197 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 7251226830 is about 85154.1357187072. The cubic root of 7251226830 is about 1935.5474844460.

The spelling of 7251226830 in words is "seven billion, two hundred fifty-one million, two hundred twenty-six thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 80569187 161138374 241707561 402845935 483415122 725122683 805691870 1208537805 1450245366 2417075610 3625613415 7251226830