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142750056 = 2339116529
BaseRepresentation
bin10001000001000…
…11000101101000
3100221121110021010
420200203011220
5243021000211
622055343520
73352232631
oct1040430550
9327543233
10142750056
1173640259
123b981ba0
1323760cb7
1414d5c888
15c7eb4a6
hex8823168

142750056 has 32 divisors (see below), whose sum is σ = 357321600. Its totient is φ = 47523840.

The previous prime is 142750051. The next prime is 142750057. The reversal of 142750056 is 650057241.

It is not an unprimeable number, because it can be changed into a prime (142750051) 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, 18600 + ... + 25128.

It is an arithmetic number, because the mean of its divisors is an integer number (11166300).

Almost surely, 2142750056 is an apocalyptic number.

It is an amenable number.

142750056 is an abundant number, since it is smaller than the sum of its proper divisors (214571544).

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

142750056 is a wasteful number, since it uses less digits than its factorization.

142750056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7449 (or 7445 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 142750056 is about 11947.8054888754. The cubic root of 142750056 is about 522.6273047403.

The spelling of 142750056 in words is "one hundred forty-two million, seven hundred fifty thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 911 1822 2733 3644 5466 6529 7288 10932 13058 19587 21864 26116 39174 52232 78348 156696 5947919 11895838 17843757 23791676 35687514 47583352 71375028 142750056