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20341154 = 2232291931
BaseRepresentation
bin100110110011…
…0000110100010
31102021102211002
41031212012202
520201404104
62003552002
7334616441
oct115460642
942242732
1020341154
1110533679
12698b602
1342a27b2
1429b6d58
151bbc01e
hex13661a2

20341154 has 16 divisors (see below), whose sum is σ = 31993920. Its totient is φ = 9680880.

The previous prime is 20341147. The next prime is 20341169. The reversal of 20341154 is 45114302.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9569 + ... + 11499.

It is an arithmetic number, because the mean of its divisors is an integer number (1999620).

Almost surely, 220341154 is an apocalyptic number.

20341154 is a deficient number, since it is larger than the sum of its proper divisors (11652766).

20341154 is a wasteful number, since it uses less digits than its factorization.

20341154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20341154 is about 4510.1168499275. The cubic root of 20341154 is about 272.9764590345.

Adding to 20341154 its reverse (45114302), we get a palindrome (65455456).

The spelling of 20341154 in words is "twenty million, three hundred forty-one thousand, one hundred fifty-four".

Divisors: 1 2 23 46 229 458 1931 3862 5267 10534 44413 88826 442199 884398 10170577 20341154