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342200431 = 1918010549
BaseRepresentation
bin10100011001011…
…001000001101111
3212211220120202001
4110121121001233
51200100403211
653542313131
711323440616
oct2431310157
9784816661
10342200431
11166188281
12967287a7
1355b85081
143363a87d
1520097ac1
hex1465906f

342200431 has 4 divisors (see below), whose sum is σ = 360211000. Its totient is φ = 324189864.

The previous prime is 342200399. The next prime is 342200437. The reversal of 342200431 is 134002243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342200431 - 25 = 342200399 is a prime.

It is a super-2 number, since 2×3422004312 = 234202269953171522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 18010549 = 342200431 / (3 + 4 + 2 + 2 + 0 + 0 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342200399 and 342200408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342200437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9005256 + ... + 9005293.

It is an arithmetic number, because the mean of its divisors is an integer number (90052750).

Almost surely, 2342200431 is an apocalyptic number.

342200431 is a deficient number, since it is larger than the sum of its proper divisors (18010569).

342200431 is a wasteful number, since it uses less digits than its factorization.

342200431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18010568.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 342200431 is about 18498.6602487856. The cubic root of 342200431 is about 699.4556523136.

Adding to 342200431 its reverse (134002243), we get a palindrome (476202674).

The spelling of 342200431 in words is "three hundred forty-two million, two hundred thousand, four hundred thirty-one".

Divisors: 1 19 18010549 342200431