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7264530 = 2325713887
BaseRepresentation
bin11011101101100100010010
3111200002001200
4123231210102
53324431110
6415412030
7115514250
oct33554422
914602050
107264530
114111a49
122524016
131674750
14d715d0
159876c0
hex6ed912

7264530 has 96 divisors (see below), whose sum is σ = 23272704. Its totient is φ = 1531008.

The previous prime is 7264513. The next prime is 7264531. The reversal of 7264530 is 354627.

It is a happy number.

7264530 is a `hidden beast` number, since 72 + 64 + 530 = 666.

It is a super-2 number, since 2×72645302 = 105546792241800, which contains 22 as substring.

It is a zygodrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 7264494 and 7264503.

It is not an unprimeable number, because it can be changed into a prime (7264531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7747 + ... + 8633.

It is an arithmetic number, because the mean of its divisors is an integer number (242424).

Almost surely, 27264530 is an apocalyptic number.

7264530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 7264530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11636352).

7264530 is an abundant number, since it is smaller than the sum of its proper divisors (16008174).

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

7264530 is a wasteful number, since it uses less digits than its factorization.

7264530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7264530 is about 2695.2792063161. The cubic root of 7264530 is about 193.6730419300.

Subtracting from 7264530 its reverse (354627), we obtain a triangular number (6909903 = T3717).

The spelling of 7264530 in words is "seven million, two hundred sixty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 13 14 15 18 21 26 30 35 39 42 45 63 65 70 78 90 91 105 117 126 130 182 195 210 234 273 315 390 455 546 585 630 819 887 910 1170 1365 1638 1774 2661 2730 4095 4435 5322 6209 7983 8190 8870 11531 12418 13305 15966 18627 23062 26610 31045 34593 37254 39915 55881 57655 62090 69186 79830 80717 93135 103779 111762 115310 161434 172965 186270 207558 242151 279405 345930 403585 484302 518895 558810 726453 807170 1037790 1210755 1452906 2421510 3632265 7264530