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142523046 = 23218674241
BaseRepresentation
bin10000111111010…
…11101010100110
3100221011220212100
420133223222212
5242441214141
622050432530
73350266041
oct1037535246
9327156770
10142523046
11734a5746
123b892746
13236b1883
1414cddc58
15c7a40b6
hex87ebaa6

142523046 has 24 divisors (see below), whose sum is σ = 309038184. Its totient is φ = 47471040.

The previous prime is 142523041. The next prime is 142523077. The reversal of 142523046 is 640325241.

142523046 is a `hidden beast` number, since 1 + 425 + 230 + 4 + 6 = 666.

142523046 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1425230462 = 40625637282236232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142523041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31486 + ... + 35726.

It is an arithmetic number, because the mean of its divisors is an integer number (12876591).

Almost surely, 2142523046 is an apocalyptic number.

142523046 is an abundant number, since it is smaller than the sum of its proper divisors (166515138).

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

142523046 is a wasteful number, since it uses less digits than its factorization.

142523046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116 (or 6113 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 142523046 is about 11938.3016380053. The cubic root of 142523046 is about 522.3501196289.

Adding to 142523046 its reverse (640325241), we get a palindrome (782848287).

The spelling of 142523046 in words is "one hundred forty-two million, five hundred twenty-three thousand, forty-six".

Divisors: 1 2 3 6 9 18 1867 3734 4241 5601 8482 11202 12723 16803 25446 33606 38169 76338 7917947 15835894 23753841 47507682 71261523 142523046