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76989029 = 1346312791
BaseRepresentation
bin1001001011011…
…00001001100101
312100212110002112
410211230021211
5124202122104
611350050405
71623252545
oct445541145
9170773075
1076989029
113a504aa7
1221949a05
1312c47a50
14a321325
156b5b86e
hex496c265

76989029 has 8 divisors (see below), whose sum is σ = 83096832. Its totient is φ = 70907760.

The previous prime is 76989023. The next prime is 76989043. The reversal of 76989029 is 92098967.

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 76989029 - 220 = 75940453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76989023) 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, 377 + ... + 12414.

It is an arithmetic number, because the mean of its divisors is an integer number (10387104).

Almost surely, 276989029 is an apocalyptic number.

It is an amenable number.

76989029 is a deficient number, since it is larger than the sum of its proper divisors (6107803).

76989029 is a wasteful number, since it uses less digits than its factorization.

76989029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13267.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 76989029 is about 8774.3392343811. The cubic root of 76989029 is about 425.4118802902.

It can be divided in two parts, 769 and 89029, that added together give a palindrome (89798).

The spelling of 76989029 in words is "seventy-six million, nine hundred eighty-nine thousand, twenty-nine".

Divisors: 1 13 463 6019 12791 166283 5922233 76989029