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142113204 = 2235293499
BaseRepresentation
bin10000111100001…
…11100110110100
3100220102002200000
420132013212310
5242340110304
622033551300
73343641132
oct1036074664
9326362600
10142113204
1173245832
123b715530
132359a16c
1414c34752
15c722939
hex87879b4

142113204 has 72 divisors (see below), whose sum is σ = 374556000. Its totient is φ = 47114784.

The previous prime is 142113203. The next prime is 142113247. The reversal of 142113204 is 402311241.

142113204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1421132042 = 40392325502291232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142113203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284547 + ... + 285045.

Almost surely, 2142113204 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 142113204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187278000).

142113204 is an abundant number, since it is smaller than the sum of its proper divisors (232442796).

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

142113204 is a wasteful number, since it uses less digits than its factorization.

142113204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 142113204 is about 11921.1242758391. The cubic root of 142113204 is about 521.8489455911.

Adding to 142113204 its reverse (402311241), we get a palindrome (544424445).

The spelling of 142113204 in words is "one hundred forty-two million, one hundred thirteen thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 293 324 486 499 586 879 972 998 1172 1497 1758 1996 2637 2994 3516 4491 5274 5988 7911 8982 10548 13473 15822 17964 23733 26946 31644 40419 47466 53892 71199 80838 94932 121257 142398 146207 161676 242514 284796 292414 438621 485028 584828 877242 1315863 1754484 2631726 3947589 5263452 7895178 11842767 15790356 23685534 35528301 47371068 71056602 142113204