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142332232 = 2372987643
BaseRepresentation
bin10000111101111…
…01000101001000
3100220211020010011
420132331011020
5242414112412
622042401304
73345542530
oct1036750510
9326736104
10142332232
1173385349
123b800234
1323645a73
1414c904c0
15c7677a7
hex87bd148

142332232 has 32 divisors (see below), whose sum is σ = 315518400. Its totient is φ = 58895424.

The previous prime is 142332227. The next prime is 142332251. The reversal of 142332232 is 232233241.

It is a super-2 number, since 2×1423322322 = 40516928532203648, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42198 + ... + 45445.

It is an arithmetic number, because the mean of its divisors is an integer number (9859950).

Almost surely, 2142332232 is an apocalyptic number.

It is an amenable number.

142332232 is an abundant number, since it is smaller than the sum of its proper divisors (173186168).

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

142332232 is a wasteful number, since it uses less digits than its factorization.

142332232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87685 (or 87681 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 142332232 is about 11930.3072885823. The cubic root of 142332232 is about 522.1169030071.

Adding to 142332232 its reverse (232233241), we get a palindrome (374565473).

The spelling of 142332232 in words is "one hundred forty-two million, three hundred thirty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 406 812 1624 87643 175286 350572 613501 701144 1227002 2454004 2541647 4908008 5083294 10166588 17791529 20333176 35583058 71166116 142332232