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353838061 = 3128194049
BaseRepresentation
bin10101000101110…
…010001111101101
3220122210211120101
4111011302033231
51211040304221
655035551101
711524400563
oct2505621755
9818724511
10353838061
11171806855
129a5bb491
13583cb145
1434dc9a33
15210e5d91
hex151723ed

353838061 has 8 divisors (see below), whose sum is σ = 365472000. Its totient is φ = 342217920.

The previous prime is 353838059. The next prime is 353838091. The reversal of 353838061 is 160838353.

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 353838061 - 21 = 353838059 is a prime.

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 353838061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353838031) 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, 85365 + ... + 89413.

It is an arithmetic number, because the mean of its divisors is an integer number (45684000).

Almost surely, 2353838061 is an apocalyptic number.

353838061 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

353838061 is a deficient number, since it is larger than the sum of its proper divisors (11633939).

353838061 is a wasteful number, since it uses less digits than its factorization.

353838061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6899.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 353838061 is about 18810.5837495810. The cubic root of 353838061 is about 707.2965105454.

The spelling of 353838061 in words is "three hundred fifty-three million, eight hundred thirty-eight thousand, sixty-one".

Divisors: 1 31 2819 4049 87389 125519 11414131 353838061