Search a number
-
+
290001046 = 2145000523
BaseRepresentation
bin10001010010010…
…001000010010110
3202012200120122111
4101102101002112
51043220013141
644435421234
710120653046
oct2122210226
9665616574
10290001046
11139775095
128115481a
134810986a
142a72d726
151a6d6381
hex11491096

290001046 has 4 divisors (see below), whose sum is σ = 435001572. Its totient is φ = 145000522.

The previous prime is 290001031. The next prime is 290001059. The reversal of 290001046 is 640100092.

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

It is a super-3 number, since 3×2900010463 (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72500260 + ... + 72500263.

It is an arithmetic number, because the mean of its divisors is an integer number (108750393).

Almost surely, 2290001046 is an apocalyptic number.

290001046 is a deficient number, since it is larger than the sum of its proper divisors (145000526).

290001046 is a wasteful number, since it uses less digits than its factorization.

290001046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145000525.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 290001046 is about 17029.4170775162. The cubic root of 290001046 is about 661.9113906160.

The spelling of 290001046 in words is "two hundred ninety million, one thousand, forty-six".

Divisors: 1 2 145000523 290001046