Search a number
-
+
764330 = 25761179
BaseRepresentation
bin10111010100110101010
31102211110112
42322212222
5143424310
624214322
76332240
oct2724652
91384415
10764330
11482286
1230a3a2
13209b88
1415c790
15101705
hexba9aa

764330 has 32 divisors (see below), whose sum is σ = 1607040. Its totient is φ = 256320.

The previous prime is 764327. The next prime is 764339. The reversal of 764330 is 33467.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 764296 and 764305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4181 + ... + 4359.

It is an arithmetic number, because the mean of its divisors is an integer number (50220).

2764330 is an apocalyptic number.

764330 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

764330 is an abundant number, since it is smaller than the sum of its proper divisors (842710).

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

764330 is a wasteful number, since it uses less digits than its factorization.

764330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 764330 is about 874.2596868208. The cubic root of 764330 is about 91.4310348574.

Adding to 764330 its reverse (33467), we get a palindrome (797797).

The spelling of 764330 in words is "seven hundred sixty-four thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 61 70 122 179 305 358 427 610 854 895 1253 1790 2135 2506 4270 6265 10919 12530 21838 54595 76433 109190 152866 382165 764330