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142087104 = 26323759113
BaseRepresentation
bin10000111100000…
…01001111000000
3100220100202212100
420132001033000
5242333241404
622033230400
73343502055
oct1036011700
9326322770
10142087104
1173228165
123b702400
132358b313
1414c2902c
15c719d39
hex87813c0

142087104 has 168 divisors, whose sum is σ = 429127920. Its totient is φ = 44900352.

The previous prime is 142087091. The next prime is 142087133. The reversal of 142087104 is 401780241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1257352 + ... + 1257464.

Almost surely, 2142087104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142087104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214563960).

142087104 is an abundant number, since it is smaller than the sum of its proper divisors (287040816).

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

142087104 is a wasteful number, since it uses less digits than its factorization.

142087104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 142087104 is about 11920.0295301648. The cubic root of 142087104 is about 521.8169966682.

It can be divided in two parts, 14208 and 7104, that added together give a palindrome (21312).

The spelling of 142087104 in words is "one hundred forty-two million, eighty-seven thousand, one hundred four".