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142376115 = 3572971997
BaseRepresentation
bin10000111110001…
…11110010110011
3100220220110022110
420133013302303
5242422013430
622043340403
73346114500
oct1037076263
9326813273
10142376115
1173405312
123b821703
132365ca2b
1414ca24a7
15c7757b0
hex87c7cb3

142376115 has 48 divisors (see below), whose sum is σ = 267859872. Its totient is φ = 64382976.

The previous prime is 142376107. The next prime is 142376153. The reversal of 142376115 is 511673241.

It is not a de Polignac number, because 142376115 - 23 = 142376107 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70297 + ... + 72293.

It is an arithmetic number, because the mean of its divisors is an integer number (5580414).

Almost surely, 2142376115 is an apocalyptic number.

142376115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142376115 is a deficient number, since it is larger than the sum of its proper divisors (125483757).

142376115 is a wasteful number, since it uses less digits than its factorization.

142376115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116 (or 2109 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 142376115 is about 11932.1462863979. The cubic root of 142376115 is about 522.1705561196.

The spelling of 142376115 in words is "one hundred forty-two million, three hundred seventy-six thousand, one hundred fifteen".

Divisors: 1 3 5 7 15 21 35 49 97 105 147 245 291 485 679 735 1455 1997 2037 3395 4753 5991 9985 10185 13979 14259 23765 29955 41937 69895 71295 97853 193709 209685 293559 489265 581127 968545 1355963 1467795 2905635 4067889 6779815 9491741 20339445 28475223 47458705 142376115