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354222805 = 5347204163
BaseRepresentation
bin10101000111010…
…000001011010101
3220200112101100011
4111013100023111
51211140112210
655052120221
711530562356
oct2507201325
9820471304
10354222805
11171a49922
129a766071
13585042c1
1435089d2d
152116ed8a
hex151d02d5

354222805 has 8 divisors (see below), whose sum is σ = 426294432. Its totient is φ = 282560208.

The previous prime is 354222779. The next prime is 354222809. The reversal of 354222805 is 508222453.

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 354222805 - 227 = 220005077 is a prime.

It is a super-3 number, since 3×3542228053 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354222809) by changing a digit.

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, 100347 + ... + 103816.

It is an arithmetic number, because the mean of its divisors is an integer number (53286804).

Almost surely, 2354222805 is an apocalyptic number.

It is an amenable number.

354222805 is a deficient number, since it is larger than the sum of its proper divisors (72071627).

354222805 is a wasteful number, since it uses less digits than its factorization.

354222805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204515.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 354222805 is about 18820.8077669371. The cubic root of 354222805 is about 707.5527760953.

The spelling of 354222805 in words is "three hundred fifty-four million, two hundred twenty-two thousand, eight hundred five".

Divisors: 1 5 347 1735 204163 1020815 70844561 354222805