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51144062 = 225572031
BaseRepresentation
bin1100001100011…
…0010101111110
310120020101110112
43003012111332
5101043102222
65024110022
71160501024
oct303062576
9116211415
1051144062
1126962322
1215165312
13a799078
146b14714
154753be2
hex30c657e

51144062 has 4 divisors (see below), whose sum is σ = 76716096. Its totient is φ = 25572030.

The previous prime is 51144061. The next prime is 51144073. The reversal of 51144062 is 26044115.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51144061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12786014 + ... + 12786017.

It is an arithmetic number, because the mean of its divisors is an integer number (19179024).

Almost surely, 251144062 is an apocalyptic number.

51144062 is a deficient number, since it is larger than the sum of its proper divisors (25572034).

51144062 is a wasteful number, since it uses less digits than its factorization.

51144062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25572033.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 51144062 is about 7151.5076732113. The cubic root of 51144062 is about 371.1918276215.

Adding to 51144062 its reverse (26044115), we get a palindrome (77188177).

The spelling of 51144062 in words is "fifty-one million, one hundred forty-four thousand, sixty-two".

Divisors: 1 2 25572031 51144062