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142750742 = 2233103277
BaseRepresentation
bin10001000001000…
…11010000010110
3100221121111012112
420200203100112
5243021010432
622055351022
73352234631
oct1040432026
9327544175
10142750742
1173640822
123b982472
13237613c4
1414d5cc18
15c7eb7b2
hex8823416

142750742 has 8 divisors (see below), whose sum is σ = 223436016. Its totient is φ = 68272072.

The previous prime is 142750739. The next prime is 142750747. The reversal of 142750742 is 247057241.

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

It is a junction number, because it is equal to n+sod(n) for n = 142750699 and 142750708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142750747) 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, 1551593 + ... + 1551684.

It is an arithmetic number, because the mean of its divisors is an integer number (27929502).

Almost surely, 2142750742 is an apocalyptic number.

142750742 is a deficient number, since it is larger than the sum of its proper divisors (80685274).

142750742 is a wasteful number, since it uses less digits than its factorization.

142750742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103302.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 142750742 is about 11947.8341970417. The cubic root of 142750742 is about 522.6281419186.

The spelling of 142750742 in words is "one hundred forty-two million, seven hundred fifty thousand, seven hundred forty-two".

Divisors: 1 2 23 46 3103277 6206554 71375371 142750742