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76681253 = 1125127773
BaseRepresentation
bin1001001001000…
…01000000100101
312100021210220102
410210201000211
5124112300003
611335313445
71620531335
oct444410045
9170253812
1076681253
113a314840
122181b885
1312b6a92c
14a2810c5
156aea588
hex4921025

76681253 has 8 divisors (see below), whose sum is σ = 83988576. Its totient is φ = 69430000.

The previous prime is 76681217. The next prime is 76681261. The reversal of 76681253 is 35218667.

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 76681253 - 216 = 76615717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76681153) 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, 11126 + ... + 16647.

It is an arithmetic number, because the mean of its divisors is an integer number (10498572).

Almost surely, 276681253 is an apocalyptic number.

It is an amenable number.

76681253 is a deficient number, since it is larger than the sum of its proper divisors (7307323).

76681253 is a wasteful number, since it uses less digits than its factorization.

76681253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28035.

The product of its digits is 60480, while the sum is 38.

The square root of 76681253 is about 8756.7832564247. The cubic root of 76681253 is about 424.8442391150.

The spelling of 76681253 in words is "seventy-six million, six hundred eighty-one thousand, two hundred fifty-three".

Divisors: 1 11 251 2761 27773 305503 6971023 76681253