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60420442 = 230210221
BaseRepresentation
bin1110011001111…
…1000101011010
311012200200021011
43212133011122
5110431423232
65555004134
71332364615
oct346370532
9135620234
1060420442
1131118855
121829964a
13c696454
14804b17c
155487547
hex399f15a

60420442 has 4 divisors (see below), whose sum is σ = 90630666. Its totient is φ = 30210220.

The previous prime is 60420419. The next prime is 60420449. The reversal of 60420442 is 24402406.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 55487601 + 4932841 = 7449^2 + 2221^2 .

It is a super-2 number, since 2×604204422 = 7301259622950728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60420449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105109 + ... + 15105112.

Almost surely, 260420442 is an apocalyptic number.

60420442 is a deficient number, since it is larger than the sum of its proper divisors (30210224).

60420442 is a wasteful number, since it uses less digits than its factorization.

60420442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30210223.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 60420442 is about 7773.0587287116. The cubic root of 60420442 is about 392.3990669106.

Adding to 60420442 its reverse (24402406), we get a palindrome (84822848).

The spelling of 60420442 in words is "sixty million, four hundred twenty thousand, four hundred forty-two".

Divisors: 1 2 30210221 60420442