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42049401 = 367209201
BaseRepresentation
bin1010000001100…
…1111101111001
32221010022221020
42200121331321
541231040101
64101133053
71020262002
oct240317571
987108836
1042049401
1121810379
12120ba189
138933604
1458281a9
153a59136
hex2819f79

42049401 has 8 divisors (see below), whose sum is σ = 56902944. Its totient is φ = 27614400.

The previous prime is 42049379. The next prime is 42049417. The reversal of 42049401 is 10494024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-42049401 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42049001) 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, 104400 + ... + 104801.

It is an arithmetic number, because the mean of its divisors is an integer number (7112868).

Almost surely, 242049401 is an apocalyptic number.

It is an amenable number.

42049401 is a deficient number, since it is larger than the sum of its proper divisors (14853543).

42049401 is a wasteful number, since it uses less digits than its factorization.

42049401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209271.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 42049401 is about 6484.5509482153. The cubic root of 42049401 is about 347.7388961633.

The spelling of 42049401 in words is "forty-two million, forty-nine thousand, four hundred one".

Divisors: 1 3 67 201 209201 627603 14016467 42049401