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354430223 = 7311633319
BaseRepresentation
bin10101001000000…
…010110100001111
3220200220220212022
4111020002310033
51211213231343
655100400355
711532415160
oct2510026417
9820826768
10354430223
11172080744
129a8460bb
1358577834
1435101767
15211b1568
hex15202d0f

354430223 has 8 divisors (see below), whose sum is σ = 418129920. Its totient is φ = 293997240.

The previous prime is 354430213. The next prime is 354430231. The reversal of 354430223 is 322034453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 354430223 - 220 = 353381647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 354430192 and 354430201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354430213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816443 + ... + 816876.

It is an arithmetic number, because the mean of its divisors is an integer number (52266240).

Almost surely, 2354430223 is an apocalyptic number.

354430223 is a deficient number, since it is larger than the sum of its proper divisors (63699697).

354430223 is a wasteful number, since it uses less digits than its factorization.

354430223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633357.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 354430223 is about 18826.3172978679. The cubic root of 354430223 is about 707.6908535460.

Adding to 354430223 its reverse (322034453), we get a palindrome (676464676).

The spelling of 354430223 in words is "three hundred fifty-four million, four hundred thirty thousand, two hundred twenty-three".

Divisors: 1 7 31 217 1633319 11433233 50632889 354430223