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162142441 = 1511073791
BaseRepresentation
bin10011010101000…
…01100011101001
3102022002200121121
421222201203221
5313002024231
624031135241
74006121326
oct1152414351
9368080547
10162142441
118358601a
1246374521
1327790996
1417769b4d
15e37c311
hex9aa18e9

162142441 has 4 divisors (see below), whose sum is σ = 163216384. Its totient is φ = 161068500.

The previous prime is 162142429. The next prime is 162142489. The reversal of 162142441 is 144241261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162142441 - 27 = 162142313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162142411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536745 + ... + 537046.

It is an arithmetic number, because the mean of its divisors is an integer number (40804096).

Almost surely, 2162142441 is an apocalyptic number.

It is an amenable number.

162142441 is a deficient number, since it is larger than the sum of its proper divisors (1073943).

162142441 is a wasteful number, since it uses less digits than its factorization.

162142441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073942.

The product of its digits is 1536, while the sum is 25.

The square root of 162142441 is about 12733.5164428370. The cubic root of 162142441 is about 545.2959041772.

The spelling of 162142441 in words is "one hundred sixty-two million, one hundred forty-two thousand, four hundred forty-one".

Divisors: 1 151 1073791 162142441