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142130294 = 2233089789
BaseRepresentation
bin10000111100010…
…11110001110110
3100220102222002222
420132023301312
5242341132134
622034202342
73344042015
oct1036136166
9326388088
10142130294
1173257659
123b7233b2
13235a4b87
1414c3aa7c
15c727a2e
hex878bc76

142130294 has 8 divisors (see below), whose sum is σ = 222464880. Its totient is φ = 67975336.

The previous prime is 142130291. The next prime is 142130297. The reversal of 142130294 is 492031241.

It is an interprime number because it is at equal distance from previous prime (142130291) and next prime (142130297).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142130291) 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, 1544849 + ... + 1544940.

It is an arithmetic number, because the mean of its divisors is an integer number (27808110).

Almost surely, 2142130294 is an apocalyptic number.

142130294 is a deficient number, since it is larger than the sum of its proper divisors (80334586).

142130294 is a wasteful number, since it uses less digits than its factorization.

142130294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089814.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 142130294 is about 11921.8410490998. The cubic root of 142130294 is about 521.8698632838.

The spelling of 142130294 in words is "one hundred forty-two million, one hundred thirty thousand, two hundred ninety-four".

Divisors: 1 2 23 46 3089789 6179578 71065147 142130294