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142203252 = 22341289031
BaseRepresentation
bin10000111100111…
…01100101110100
3100220120200012010
420132131211310
5242401001002
622035524220
73344464512
oct1036354564
9326520163
10142203252
11732a7454
123b759670
13235cc149
1414c594b2
15c73e46c
hex879d974

142203252 has 24 divisors (see below), whose sum is σ = 339901632. Its totient is φ = 46244800.

The previous prime is 142203241. The next prime is 142203263. The reversal of 142203252 is 252302241.

It is an interprime number because it is at equal distance from previous prime (142203241) and next prime (142203263).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144024 + ... + 145007.

It is an arithmetic number, because the mean of its divisors is an integer number (14162568).

Almost surely, 2142203252 is an apocalyptic number.

142203252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142203252 is an abundant number, since it is smaller than the sum of its proper divisors (197698380).

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

142203252 is a wasteful number, since it uses less digits than its factorization.

142203252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289079 (or 289077 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 142203252 is about 11924.9005027296. The cubic root of 142203252 is about 521.9591430273.

Adding to 142203252 its reverse (252302241), we get a palindrome (394505493).

The spelling of 142203252 in words is "one hundred forty-two million, two hundred three thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 289031 578062 867093 1156124 1734186 3468372 11850271 23700542 35550813 47401084 71101626 142203252