Search a number
-
+
39089142 = 234241291
BaseRepresentation
bin1001010100011…
…1001111110110
32201112221020000
42111013033312
540001323032
63513452130
7653152341
oct225071766
981487200
1039089142
1120079284
1211111046
138138091
145297458
153671e7c
hex25473f6

39089142 has 20 divisors (see below), whose sum is σ = 87588996. Its totient is φ = 13029660.

The previous prime is 39089117. The next prime is 39089147. The reversal of 39089142 is 24198093.

It is a super-2 number, since 2×390891422 = 3055922044592328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39089097 and 39089106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39089147) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 120484 + ... + 120807.

Almost surely, 239089142 is an apocalyptic number.

39089142 is an abundant number, since it is smaller than the sum of its proper divisors (48499854).

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

39089142 is a wasteful number, since it uses less digits than its factorization.

39089142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241305 (or 241296 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 39089142 is about 6252.1309967082. The cubic root of 39089142 is about 339.3793232257.

The spelling of 39089142 in words is "thirty-nine million, eighty-nine thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 241291 482582 723873 1447746 2171619 4343238 6514857 13029714 19544571 39089142