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76889395 = 5111397989
BaseRepresentation
bin1001001010100…
…11110100110011
312100200101102101
410211103310303
5124140430040
611344001231
71622356222
oct445236463
9170611371
1076889395
113a447160
1221900217
1312c115ab
14a2d6cb9
156b3c09a
hex4953d33

76889395 has 8 divisors (see below), whose sum is σ = 100655280. Its totient is φ = 55919520.

The previous prime is 76889377. The next prime is 76889399. The reversal of 76889395 is 59398867.

It is a happy number.

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

It is not a de Polignac number, because 76889395 - 215 = 76856627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 1397989 = 76889395 / (7 + 6 + 8 + 8 + 9 + 3 + 9 + 5).

It is not an unprimeable number, because it can be changed into a prime (76889399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698940 + ... + 699049.

It is an arithmetic number, because the mean of its divisors is an integer number (12581910).

Almost surely, 276889395 is an apocalyptic number.

76889395 is a deficient number, since it is larger than the sum of its proper divisors (23765885).

76889395 is a wasteful number, since it uses less digits than its factorization.

76889395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398005.

The product of its digits is 3265920, while the sum is 55.

The square root of 76889395 is about 8768.6598177829. The cubic root of 76889395 is about 425.2282879649.

It can be divided in two parts, 76889 and 395, that added together give a square (77284 = 2782).

The spelling of 76889395 in words is "seventy-six million, eight hundred eighty-nine thousand, three hundred ninety-five".

Divisors: 1 5 11 55 1397989 6989945 15377879 76889395