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162240413 = 2329243239
BaseRepresentation
bin10011010101110…
…01011110011101
3102022021200000012
421222321132131
5313013143123
624033213005
74010010056
oct1152713635
9368250005
10162240413
1183642695
1246401165
13277c645a
141779372d
15e39b378
hex9ab979d

162240413 has 8 divisors (see below), whose sum is σ = 175132800. Its totient is φ = 149834608.

The previous prime is 162240389. The next prime is 162240427. The reversal of 162240413 is 314042261.

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 162240413 - 212 = 162236317 is a prime.

It is a super-2 number, since 2×1622404132 = 52643903220821138, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162240493) 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 7 ways as a sum of consecutive naturals, for example, 120953 + ... + 122286.

It is an arithmetic number, because the mean of its divisors is an integer number (21891600).

Almost surely, 2162240413 is an apocalyptic number.

It is an amenable number.

162240413 is a deficient number, since it is larger than the sum of its proper divisors (12892387).

162240413 is a wasteful number, since it uses less digits than its factorization.

162240413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243291.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 162240413 is about 12737.3628746299. The cubic root of 162240413 is about 545.4057108662.

Adding to 162240413 its reverse (314042261), we get a palindrome (476282674).

The spelling of 162240413 in words is "one hundred sixty-two million, two hundred forty thousand, four hundred thirteen".

Divisors: 1 23 29 667 243239 5594497 7053931 162240413