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142790318 = 21116573917
BaseRepresentation
bin10001000001011…
…00111010101110
3100221200111111022
420200230322232
5243023242233
622100254142
73352461206
oct1040547256
9327614438
10142790318
1173668530
123b9a1352
1323776418
1414d6d406
15c808398
hex882ceae

142790318 has 16 divisors (see below), whose sum is σ = 233857584. Its totient is φ = 64848960.

The previous prime is 142790317. The next prime is 142790359. The reversal of 142790318 is 813097241.

It is a super-2 number, since 2×1427903182 = 40778149829082248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142790317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34496 + ... + 38412.

It is an arithmetic number, because the mean of its divisors is an integer number (14616099).

Almost surely, 2142790318 is an apocalyptic number.

142790318 is a deficient number, since it is larger than the sum of its proper divisors (91067266).

142790318 is a wasteful number, since it uses less digits than its factorization.

142790318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5587.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 142790318 is about 11949.4902820162. The cubic root of 142790318 is about 522.6764350014.

The spelling of 142790318 in words is "one hundred forty-two million, seven hundred ninety thousand, three hundred eighteen".

Divisors: 1 2 11 22 1657 3314 3917 7834 18227 36454 43087 86174 6490469 12980938 71395159 142790318