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51101338 = 2149171481
BaseRepresentation
bin1100001011101…
…1111010011010
310120011012212011
43002323322122
5101040220323
65023140134
71160232331
oct302737232
9116135764
1051101338
1126933212
121514464a
13a7827a2
146b02d18
15474620d
hex30bbe9a

51101338 has 8 divisors (see below), whose sum is σ = 77166900. Its totient is φ = 25379040.

The previous prime is 51101333. The next prime is 51101363. The reversal of 51101338 is 83310115.

It can be written as a sum of positive squares in 2 ways, for example, as 48902049 + 2199289 = 6993^2 + 1483^2 .

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

It is a super-2 number, since 2×511013382 = 5222693490780488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51101333) 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, 85443 + ... + 86038.

Almost surely, 251101338 is an apocalyptic number.

51101338 is a deficient number, since it is larger than the sum of its proper divisors (26065562).

51101338 is a wasteful number, since it uses less digits than its factorization.

51101338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171632.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 51101338 is about 7148.5199866826. The cubic root of 51101338 is about 371.0884385082.

The spelling of 51101338 in words is "fifty-one million, one hundred one thousand, three hundred thirty-eight".

Divisors: 1 2 149 298 171481 342962 25550669 51101338