Search a number
-
+
7730046 = 233257557
BaseRepresentation
bin11101011111001101111110
3112112201122000
4131133031332
53434330141
6433403130
7122463402
oct35371576
915481560
107730046
1143aa775
1227094a6
1317a85bc
141053102
15a2a5b6
hex75f37e

7730046 has 32 divisors (see below), whose sum is σ = 17275680. Its totient is φ = 2562048.

The previous prime is 7730033. The next prime is 7730057. The reversal of 7730046 is 6400377.

It is a super-2 number, since 2×77300462 = 119507222324232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 13600 + ... + 14156.

It is an arithmetic number, because the mean of its divisors is an integer number (539865).

Almost surely, 27730046 is an apocalyptic number.

7730046 is an abundant number, since it is smaller than the sum of its proper divisors (9545634).

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

7730046 is a wasteful number, since it uses less digits than its factorization.

7730046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 7730046 is about 2780.2960274043. The cubic root of 7730046 is about 197.7245941481.

The spelling of 7730046 in words is "seven million, seven hundred thirty thousand, forty-six".

Divisors: 1 2 3 6 9 18 27 54 257 514 557 771 1114 1542 1671 2313 3342 4626 5013 6939 10026 13878 15039 30078 143149 286298 429447 858894 1288341 2576682 3865023 7730046