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51014142 = 2321372151
BaseRepresentation
bin1100001010011…
…0100111111110
310112222210020200
43002212213332
5101024423032
65021224330
71156420164
oct302464776
9115883220
1051014142
1126883753
12151020a6
13a751baa
146abd234
15472a47c
hex30a69fe

51014142 has 36 divisors (see below), whose sum is σ = 112080696. Its totient is φ = 16768800.

The previous prime is 51014141. The next prime is 51014153. The reversal of 51014142 is 24141015.

51014142 is a `hidden beast` number, since 510 + 14 + 142 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51014141) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 337767 + ... + 337917.

Almost surely, 251014142 is an apocalyptic number.

51014142 is an abundant number, since it is smaller than the sum of its proper divisors (61066554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51014142 is a wasteful number, since it uses less digits than its factorization.

51014142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 51014142 is about 7142.4184979599. The cubic root of 51014142 is about 370.8772512841.

Adding to 51014142 its reverse (24141015), we get a palindrome (75155157).

The spelling of 51014142 in words is "fifty-one million, fourteen thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 137 151 274 302 411 453 822 906 1233 1359 2466 2718 18769 20687 37538 41374 56307 62061 112614 124122 168921 186183 337842 372366 2834119 5668238 8502357 17004714 25507071 51014142