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354404231 = 4495411459
BaseRepresentation
bin10101000111111…
…100011110000111
3220200212121012122
4111013330132013
51211211413411
655100040155
711532246326
oct2507743607
9820777178
10354404231
11172063165
129a83305b
1358568a5c
14350d60bd
15211a89db
hex151fc787

354404231 has 8 divisors (see below), whose sum is σ = 356094000. Its totient is φ = 352719360.

The previous prime is 354404221. The next prime is 354404233. The reversal of 354404231 is 132404453.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-354404231 is a prime.

It is a super-2 number, since 2×3544042312 = 251204717901402722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 354404231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354404233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242180 + ... + 243638.

It is an arithmetic number, because the mean of its divisors is an integer number (44511750).

Almost surely, 2354404231 is an apocalyptic number.

354404231 is a deficient number, since it is larger than the sum of its proper divisors (1689769).

354404231 is a wasteful number, since it uses less digits than its factorization.

354404231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 354404231 is about 18825.6269749509. The cubic root of 354404231 is about 707.6735537136.

Adding to 354404231 its reverse (132404453), we get a palindrome (486808684).

The spelling of 354404231 in words is "three hundred fifty-four million, four hundred four thousand, two hundred thirty-one".

Divisors: 1 449 541 1459 242909 655091 789319 354404231