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354225331 = 396789293
BaseRepresentation
bin10101000111010…
…000110010110011
3220200112111210201
4111013100302303
51211140202311
655052140031
711530602625
oct2507206263
9820474721
10354225331
11171a50809
129a767617
13585054b5
143508ac15
15211709c1
hex151d0cb3

354225331 has 4 divisors (see below), whose sum is σ = 354318592. Its totient is φ = 354132072.

The previous prime is 354225329. The next prime is 354225337. The reversal of 354225331 is 133522453.

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 354225331 - 21 = 354225329 is a prime.

It is a super-3 number, since 3×3542253313 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 354225331.

It is not an unprimeable number, because it can be changed into a prime (354225337) 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, 40680 + ... + 48613.

It is an arithmetic number, because the mean of its divisors is an integer number (88579648).

Almost surely, 2354225331 is an apocalyptic number.

354225331 is a deficient number, since it is larger than the sum of its proper divisors (93261).

354225331 is an equidigital number, since it uses as much as digits as its factorization.

354225331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93260.

The product of its digits is 10800, while the sum is 28.

The square root of 354225331 is about 18820.8748733952. The cubic root of 354225331 is about 707.5544579690.

Adding to 354225331 its reverse (133522453), we get a palindrome (487747784).

The spelling of 354225331 in words is "three hundred fifty-four million, two hundred twenty-five thousand, three hundred thirty-one".

Divisors: 1 3967 89293 354225331