Search a number
-
+
342215117 = 1753379817
BaseRepresentation
bin10100011001011…
…100100111001101
3212211221022212222
4110121130213031
51200101340432
653542505125
711323531466
oct2431344715
9784838788
10342215117
11166198312
12967351a5
1355b8b96a
1433641d6d
152009c112
hex1465c9cd

342215117 has 8 divisors (see below), whose sum is σ = 369183096. Its totient is φ = 316006912.

The previous prime is 342215087. The next prime is 342215119. The reversal of 342215117 is 711512243.

It can be written as a sum of positive squares in 4 ways, for example, as 247464361 + 94750756 = 15731^2 + 9734^2 .

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 342215117 - 26 = 342215053 is a prime.

It is a super-2 number, since 2×3422151172 = 234222372606647378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342215119) 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, 189008 + ... + 190809.

It is an arithmetic number, because the mean of its divisors is an integer number (46147887).

Almost surely, 2342215117 is an apocalyptic number.

It is an amenable number.

342215117 is a deficient number, since it is larger than the sum of its proper divisors (26967979).

342215117 is a wasteful number, since it uses less digits than its factorization.

342215117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379887.

The product of its digits is 1680, while the sum is 26.

The square root of 342215117 is about 18499.0571921923. The cubic root of 342215117 is about 699.4656582028.

The spelling of 342215117 in words is "three hundred forty-two million, two hundred fifteen thousand, one hundred seventeen".

Divisors: 1 17 53 901 379817 6456889 20130301 342215117