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354145081 = 5910215879
BaseRepresentation
bin10101000110111…
…101001100111001
3220200101102201111
4111012331030321
51211130120311
655050320321
711530116643
oct2506751471
9820342644
10354145081
111719a6494
129a7290a1
13584a7b04
1435069893
1521156d21
hex151bd339

354145081 has 8 divisors (see below), whose sum is σ = 360561600. Its totient is φ = 347742480.

The previous prime is 354145079. The next prime is 354145153. The reversal of 354145081 is 180541453.

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 354145081 - 21 = 354145079 is a prime.

It is a super-2 number, since 2×3541450812 = 250837476792993122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354145381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57300 + ... + 63178.

It is an arithmetic number, because the mean of its divisors is an integer number (45070200).

Almost surely, 2354145081 is an apocalyptic number.

It is an amenable number.

354145081 is a deficient number, since it is larger than the sum of its proper divisors (6416519).

354145081 is a wasteful number, since it uses less digits than its factorization.

354145081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 354145081 is about 18818.7428113570. The cubic root of 354145081 is about 707.5010216120.

The spelling of 354145081 in words is "three hundred fifty-four million, one hundred forty-five thousand, eighty-one".

Divisors: 1 59 1021 5879 60239 346861 6002459 354145081