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432400142 = 2216200071
BaseRepresentation
bin11001110001011…
…110011100001110
31010010122012111002
4121301132130032
51341143301032
6110523500302
713500224546
oct3161363416
91103565432
10432400142
11202095699
12100987692
136b776b95
14415da326
1527e63862
hex19c5e70e

432400142 has 4 divisors (see below), whose sum is σ = 648600216. Its totient is φ = 216200070.

The previous prime is 432400123. The next prime is 432400159. The reversal of 432400142 is 241004234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241004234 = 2120502117.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108100034 + ... + 108100037.

It is an arithmetic number, because the mean of its divisors is an integer number (162150054).

Almost surely, 2432400142 is an apocalyptic number.

432400142 is a deficient number, since it is larger than the sum of its proper divisors (216200074).

432400142 is a wasteful number, since it uses less digits than its factorization.

432400142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216200073.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 432400142 is about 20794.2333833205. The cubic root of 432400142 is about 756.1859594520.

Adding to 432400142 its reverse (241004234), we get a palindrome (673404376).

The spelling of 432400142 in words is "four hundred thirty-two million, four hundred thousand, one hundred forty-two".

Divisors: 1 2 216200071 432400142