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82268481 = 371386237
BaseRepresentation
bin1001110011101…
…01000101000001
312201210200010210
410321311011001
5132030042411
612055144333
72016161541
oct471650501
9181720123
1082268481
1142490589
12236750a9
1314075a99
14acd7321
157350ca6
hex4e75141

82268481 has 8 divisors (see below), whose sum is σ = 111236544. Its totient is φ = 54073040.

The previous prime is 82268477. The next prime is 82268497. The reversal of 82268481 is 18486228.

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 82268481 - 22 = 82268477 is a prime.

It is a super-2 number, since 2×822684812 = 13536205932094722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82268411) 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, 192906 + ... + 193331.

It is an arithmetic number, because the mean of its divisors is an integer number (13904568).

Almost surely, 282268481 is an apocalyptic number.

It is an amenable number.

82268481 is a deficient number, since it is larger than the sum of its proper divisors (28968063).

82268481 is a wasteful number, since it uses less digits than its factorization.

82268481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386311.

The product of its digits is 49152, while the sum is 39.

The square root of 82268481 is about 9070.1974068925. The cubic root of 82268481 is about 434.9217827394.

The spelling of 82268481 in words is "eighty-two million, two hundred sixty-eight thousand, four hundred eighty-one".

Divisors: 1 3 71 213 386237 1158711 27422827 82268481