Search a number
-
+
20629194 = 2317263769
BaseRepresentation
bin100111010110…
…0011011001010
31102211001221020
41032230123022
520240113234
62014053310
7340226265
oct116543312
942731836
1020629194
1110710023
126aaa236
134373931
142a4dcdc
151c27549
hex13ac6ca

20629194 has 32 divisors (see below), whose sum is σ = 43908480. Its totient is φ = 6438912.

The previous prime is 20629171. The next prime is 20629201. The reversal of 20629194 is 49192602.

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 15 ways as a sum of consecutive naturals, for example, 26442 + ... + 27210.

It is an arithmetic number, because the mean of its divisors is an integer number (1372140).

Almost surely, 220629194 is an apocalyptic number.

20629194 is an abundant number, since it is smaller than the sum of its proper divisors (23279286).

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

20629194 is a wasteful number, since it uses less digits than its factorization.

20629194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 20629194 is about 4541.9372518783. The cubic root of 20629194 is about 274.2589148698.

The spelling of 20629194 in words is "twenty million, six hundred twenty-nine thousand, one hundred ninety-four".

Divisors: 1 2 3 6 17 34 51 102 263 526 769 789 1538 1578 2307 4471 4614 8942 13073 13413 26146 26826 39219 78438 202247 404494 606741 1213482 3438199 6876398 10314597 20629194