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142605337 = 73415759
BaseRepresentation
bin10000111111111…
…11110000011001
3100221100002202011
420133333300121
5243001332322
622052305521
73351061000
oct1037776031
9327302664
10142605337
1173551556
123b9122a1
1323710174
1414d21c37
15c7bd677
hex87ffc19

142605337 has 8 divisors (see below), whose sum is σ = 166304000. Its totient is φ = 122232852.

The previous prime is 142605319. The next prime is 142605341. The reversal of 142605337 is 733506241.

It is not a de Polignac number, because 142605337 - 215 = 142572569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142605299 and 142605308.

It is not an unprimeable number, because it can be changed into a prime (142605347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207537 + ... + 208222.

It is an arithmetic number, because the mean of its divisors is an integer number (20788000).

Almost surely, 2142605337 is an apocalyptic number.

It is an amenable number.

142605337 is a deficient number, since it is larger than the sum of its proper divisors (23698663).

142605337 is an frugal number, since it uses more digits than its factorization.

142605337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415780 (or 415766 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 142605337 is about 11941.7476526679. The cubic root of 142605337 is about 522.4506330655.

The spelling of 142605337 in words is "one hundred forty-two million, six hundred five thousand, three hundred thirty-seven".

Divisors: 1 7 49 343 415759 2910313 20372191 142605337