Search a number
-
+
77350231 = 741269513
BaseRepresentation
bin1001001110001…
…00010101010111
312101112210120101
410213010111113
5124300201411
611401514531
71626315610
oct447042527
9171483511
1077350231
113a731412
1221aa2a47
131304328a
14a3b6c07
156bcd8c1
hex49c4557

77350231 has 8 divisors (see below), whose sum is σ = 90556704. Its totient is φ = 64682880.

The previous prime is 77350213. The next prime is 77350237. The reversal of 77350231 is 13205377.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77350231 - 27 = 77350103 is a prime.

It is a super-2 number, since 2×773502312 = 11966116471506722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77350231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77350237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134470 + ... + 135043.

It is an arithmetic number, because the mean of its divisors is an integer number (11319588).

Almost surely, 277350231 is an apocalyptic number.

77350231 is a deficient number, since it is larger than the sum of its proper divisors (13206473).

77350231 is a wasteful number, since it uses less digits than its factorization.

77350231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269561.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 77350231 is about 8794.8980096417. The cubic root of 77350231 is about 426.0761305305.

The spelling of 77350231 in words is "seventy-seven million, three hundred fifty thousand, two hundred thirty-one".

Divisors: 1 7 41 287 269513 1886591 11050033 77350231