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142052835 = 3519618171
BaseRepresentation
bin10000111011110…
…00110111100011
3100220022000212010
420131320313203
5242331142320
622032404003
73343300131
oct1035706743
9326260763
10142052835
1173204441
123b6a6603
1323578842
1414c1a751
15c70eae0
hex8778de3

142052835 has 32 divisors (see below), whose sum is σ = 243198720. Its totient is φ = 70588800.

The previous prime is 142052831. The next prime is 142052843. The reversal of 142052835 is 538250241.

It is not a de Polignac number, because 142052835 - 22 = 142052831 is a prime.

It is a super-4 number, since 4×1420528354 (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (142052831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13300 + ... + 21470.

It is an arithmetic number, because the mean of its divisors is an integer number (7599960).

Almost surely, 2142052835 is an apocalyptic number.

142052835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142052835 is a deficient number, since it is larger than the sum of its proper divisors (101145885).

142052835 is a wasteful number, since it uses less digits than its factorization.

142052835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8259.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 142052835 is about 11918.5919889893. The cubic root of 142052835 is about 521.7750421582.

The spelling of 142052835 in words is "one hundred forty-two million, fifty-two thousand, eight hundred thirty-five".

Divisors: 1 3 5 15 19 57 61 95 183 285 305 915 1159 3477 5795 8171 17385 24513 40855 122565 155249 465747 498431 776245 1495293 2328735 2492155 7476465 9470189 28410567 47350945 142052835