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122141442 = 23711631759
BaseRepresentation
bin1110100011110…
…11101100000010
322111211102120010
413101323230002
5222232011232
620041525350
73012120333
oct721735402
9274742503
10122141442
1162a44745
1234aa3856
131c3c6857
141231628a
15aaca0cc
hex747bb02

122141442 has 32 divisors (see below), whose sum is σ = 249384960. Its totient is φ = 39871440.

The previous prime is 122141441. The next prime is 122141449. The reversal of 122141442 is 244141221.

It is not an unprimeable number, because it can be changed into a prime (122141441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68559 + ... + 70317.

It is an arithmetic number, because the mean of its divisors is an integer number (7793280).

Almost surely, 2122141442 is an apocalyptic number.

122141442 is an abundant number, since it is smaller than the sum of its proper divisors (127243518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122141442 is a wasteful number, since it uses less digits than its factorization.

122141442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998.

The product of its digits is 512, while the sum is 21.

The square root of 122141442 is about 11051.7619409757. The cubic root of 122141442 is about 496.1591607886.

Adding to 122141442 its reverse (244141221), we get a palindrome (366282663).

The spelling of 122141442 in words is "one hundred twenty-two million, one hundred forty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 71 142 163 213 326 426 489 978 1759 3518 5277 10554 11573 23146 34719 69438 124889 249778 286717 374667 573434 749334 860151 1720302 20356907 40713814 61070721 122141442