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52076138 = 2166915601
BaseRepresentation
bin1100011010100…
…1111001101010
310121222202000212
43012221321222
5101312414023
65100101122
71201432322
oct306517152
9117882025
1052076138
1127439634
12155347a2
13aa343aa
146cb8282
154889e78
hex31a9e6a

52076138 has 8 divisors (see below), whose sum is σ = 78166020. Its totient is φ = 26020800.

The previous prime is 52076137. The next prime is 52076147. The reversal of 52076138 is 83167025.

It is a happy number.

52076138 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in 2 ways, for example, as 47844889 + 4231249 = 6917^2 + 2057^2 .

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

It is not an unprimeable number, because it can be changed into a prime (52076137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4463 + ... + 11138.

Almost surely, 252076138 is an apocalyptic number.

52076138 is a deficient number, since it is larger than the sum of its proper divisors (26089882).

52076138 is a wasteful number, since it uses less digits than its factorization.

52076138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17272.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 52076138 is about 7216.3798403355. The cubic root of 52076138 is about 373.4331973139.

The spelling of 52076138 in words is "fifty-two million, seventy-six thousand, one hundred thirty-eight".

Divisors: 1 2 1669 3338 15601 31202 26038069 52076138