Search a number
-
+
20341954 = 217335869
BaseRepresentation
bin100110110011…
…0010011000010
31102021110220201
41031212103002
520201420304
62003555414
7334621663
oct115462302
942243821
1020341954
1110534236
12698bb6a
1342a2c79
1429b736a
151bbc3a4
hex13664c2

20341954 has 8 divisors (see below), whose sum is σ = 30535740. Its totient is φ = 10163376.

The previous prime is 20341933. The next prime is 20341957. The reversal of 20341954 is 45914302.

It can be written as a sum of positive squares in 2 ways, for example, as 18966025 + 1375929 = 4355^2 + 1173^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20341957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532 + ... + 6400.

Almost surely, 220341954 is an apocalyptic number.

20341954 is a deficient number, since it is larger than the sum of its proper divisors (10193786).

20341954 is a wasteful number, since it uses less digits than its factorization.

20341954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7604.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 20341954 is about 4510.2055385536. The cubic root of 20341954 is about 272.9800376303.

The spelling of 20341954 in words is "twenty million, three hundred forty-one thousand, nine hundred fifty-four".

Divisors: 1 2 1733 3466 5869 11738 10170977 20341954