Search a number
-
+
76348431 = 3223368833
BaseRepresentation
bin1001000110011…
…11110000001111
312022122220100200
410203033300033
5124021122211
611324224543
71614644115
oct443176017
9168586320
1076348431
113a107785
122169b153
1312a822b3
14a1d5ab5
156a81b56
hex48cfc0f

76348431 has 12 divisors (see below), whose sum is σ = 115076208. Its totient is φ = 48685824.

The previous prime is 76348423. The next prime is 76348457. The reversal of 76348431 is 13484367.

It is not a de Polignac number, because 76348431 - 23 = 76348423 is a prime.

It is a super-2 number, since 2×763484312 = 11658165832323522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76348471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184210 + ... + 184623.

It is an arithmetic number, because the mean of its divisors is an integer number (9589684).

Almost surely, 276348431 is an apocalyptic number.

76348431 is a deficient number, since it is larger than the sum of its proper divisors (38727777).

76348431 is a wasteful number, since it uses less digits than its factorization.

76348431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368862 (or 368859 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 76348431 is about 8737.7589232022. The cubic root of 76348431 is about 424.2286928583.

It can be divided in two parts, 763 and 48431, that added together give a palindrome (49194).

The spelling of 76348431 in words is "seventy-six million, three hundred forty-eight thousand, four hundred thirty-one".

Divisors: 1 3 9 23 69 207 368833 1106499 3319497 8483159 25449477 76348431