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142425674 = 21274311301
BaseRepresentation
bin10000111110100…
…11111001001010
3100220222222021222
420133103321022
5242430110144
622044402042
73346412126
oct1037237112
9326888258
10142425674
1173439576
123b846322
1323679461
1414cb6586
15c7852ee
hex87d3e4a

142425674 has 16 divisors (see below), whose sum is σ = 215986176. Its totient is φ = 70434000.

The previous prime is 142425671. The next prime is 142425709. The reversal of 142425674 is 476524241.

It is a happy number.

It is a super-2 number, since 2×1424256742 = 40570145228708552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142425671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108824 + ... + 110124.

It is an arithmetic number, because the mean of its divisors is an integer number (13499136).

Almost surely, 2142425674 is an apocalyptic number.

142425674 is a deficient number, since it is larger than the sum of its proper divisors (73560502).

142425674 is a wasteful number, since it uses less digits than its factorization.

142425674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861.

The product of its digits is 53760, while the sum is 35.

The square root of 142425674 is about 11934.2228067017. Note that the first 3 decimals coincide. The cubic root of 142425674 is about 522.2311356827.

The spelling of 142425674 in words is "one hundred forty-two million, four hundred twenty-five thousand, six hundred seventy-four".

Divisors: 1 2 127 254 431 862 1301 2602 54737 109474 165227 330454 560731 1121462 71212837 142425674