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349170481 = 1131742771
BaseRepresentation
bin10100110011111…
…110101100110001
3220100000200212001
4110303332230301
51203341423411
654351534001
711436620512
oct2463765461
9810020761
10349170481
1116a108a50
1298b2a301
135745576a
1434532a09
15209c2dc1
hex14cfeb31

349170481 has 4 divisors (see below), whose sum is σ = 380913264. Its totient is φ = 317427700.

The previous prime is 349170457. The next prime is 349170487. The reversal of 349170481 is 184071943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 349170481 - 215 = 349137713 is a prime.

It is a super-2 number, since 2×3491704812 = 243840049603542722, 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 349170481.

It is not an unprimeable number, because it can be changed into a prime (349170487) 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 3 ways as a sum of consecutive naturals, for example, 15871375 + ... + 15871396.

It is an arithmetic number, because the mean of its divisors is an integer number (95228316).

Almost surely, 2349170481 is an apocalyptic number.

It is an amenable number.

349170481 is a deficient number, since it is larger than the sum of its proper divisors (31742783).

349170481 is a wasteful number, since it uses less digits than its factorization.

349170481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31742782.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 349170481 is about 18686.1039545433. The cubic root of 349170481 is about 704.1726834323.

The spelling of 349170481 in words is "three hundred forty-nine million, one hundred seventy thousand, four hundred eighty-one".

Divisors: 1 11 31742771 349170481