Search a number
-
+
76948638 = 23133472843
BaseRepresentation
bin1001001011000…
…10010010011110
312100210101200120
410211202102132
5124144324023
611345135410
71623024024
oct445422236
9170711616
1076948638
113a487718
122192a566
1312c32550
14a310714
156b4e8e3
hex496249e

76948638 has 32 divisors (see below), whose sum is σ = 166271616. Its totient is φ = 23599968.

The previous prime is 76948621. The next prime is 76948667. The reversal of 76948638 is 83684967.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25645 + ... + 28487.

It is an arithmetic number, because the mean of its divisors is an integer number (5195988).

Almost surely, 276948638 is an apocalyptic number.

76948638 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

76948638 is an abundant number, since it is smaller than the sum of its proper divisors (89322978).

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

76948638 is a wasteful number, since it uses less digits than its factorization.

76948638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208.

The product of its digits is 1741824, while the sum is 51.

The square root of 76948638 is about 8772.0372776226. The cubic root of 76948638 is about 425.3374722122.

The spelling of 76948638 in words is "seventy-six million, nine hundred forty-eight thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 347 694 1041 2082 2843 4511 5686 8529 9022 13533 17058 27066 36959 73918 110877 221754 986521 1973042 2959563 5919126 12824773 25649546 38474319 76948638