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351427117 = 451777801
BaseRepresentation
bin10100111100100…
…101101000101101
3220111021100101011
4110330211220231
51204431131432
654512145221
711465036566
oct2474455055
9814240334
10351427117
1117040a438
1299838211
1357a65952
143495d16d
1520cbb847
hex14f25a2d

351427117 has 4 divisors (see below), whose sum is σ = 351509436. Its totient is φ = 351344800.

The previous prime is 351427103. The next prime is 351427121. The reversal of 351427117 is 711724153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 711724153 = 7101674879.

It can be written as a sum of positive squares in 2 ways, for example, as 65512836 + 285914281 = 8094^2 + 16909^2 .

It is a cyclic number.

It is not a de Polignac number, because 351427117 - 211 = 351425069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351427157) 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, 34384 + ... + 43417.

It is an arithmetic number, because the mean of its divisors is an integer number (87877359).

Almost surely, 2351427117 is an apocalyptic number.

It is an amenable number.

351427117 is a deficient number, since it is larger than the sum of its proper divisors (82319).

351427117 is an equidigital number, since it uses as much as digits as its factorization.

351427117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82318.

The product of its digits is 5880, while the sum is 31.

The square root of 351427117 is about 18746.3894390360. The cubic root of 351427117 is about 705.6864142740.

The spelling of 351427117 in words is "three hundred fifty-one million, four hundred twenty-seven thousand, one hundred seventeen".

Divisors: 1 4517 77801 351427117