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60140142 = 23229115211
BaseRepresentation
bin1110010101101…
…0101001101110
311012011102202200
43211122221232
5110343441032
65545002330
71330116456
oct345325156
9135142680
1060140142
1130a471a7
12181833a6
13c5c89aa
147db6d66
15542e47c
hex395aa6e

60140142 has 24 divisors (see below), whose sum is σ = 134798040. Its totient is φ = 19355280.

The previous prime is 60140141. The next prime is 60140161. The reversal of 60140142 is 24104106.

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 (60140141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57084 + ... + 58127.

It is an arithmetic number, because the mean of its divisors is an integer number (5616585).

Almost surely, 260140142 is an apocalyptic number.

60140142 is an abundant number, since it is smaller than the sum of its proper divisors (74657898).

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

60140142 is a wasteful number, since it uses less digits than its factorization.

60140142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115248 (or 115245 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 60140142 is about 7755.0075435166. The cubic root of 60140142 is about 391.7913256633.

Adding to 60140142 its reverse (24104106), we get a palindrome (84244248).

The spelling of 60140142 in words is "sixty million, one hundred forty thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 115211 230422 345633 691266 1036899 2073798 3341119 6682238 10023357 20046714 30070071 60140142