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20032946 = 210199173
BaseRepresentation
bin100110001101…
…0110110110010
31101200210000222
41030122312302
520112023241
61553213042
7332164043
oct114326662
941623028
1020032946
111034305a
126861182
1341c541b
1429368ca
151b5aa4b
hex131adb2

20032946 has 8 divisors (see below), whose sum is σ = 30347244. Its totient is φ = 9917200.

The previous prime is 20032937. The next prime is 20032967. The reversal of 20032946 is 64923002.

It can be written as a sum of positive squares in 2 ways, for example, as 19936225 + 96721 = 4465^2 + 311^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49385 + ... + 49788.

Almost surely, 220032946 is an apocalyptic number.

20032946 is a deficient number, since it is larger than the sum of its proper divisors (10314298).

20032946 is a wasteful number, since it uses less digits than its factorization.

20032946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99276.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20032946 is about 4475.8179140801. The cubic root of 20032946 is about 271.5907285630.

Adding to 20032946 its reverse (64923002), we get a palindrome (84955948).

The spelling of 20032946 in words is "twenty million, thirty-two thousand, nine hundred forty-six".

Divisors: 1 2 101 202 99173 198346 10016473 20032946