Search a number
-
+
13272990 = 235617253
BaseRepresentation
bin110010101000…
…011110011110
3220222100010020
4302220132132
511344213430
61152253010
7220550523
oct62503636
926870106
1013272990
117546215
124541166
132999553
141a9714a
151272b10
hexca879e

13272990 has 32 divisors (see below), whose sum is σ = 32381856. Its totient is φ = 3480960.

The previous prime is 13272989. The next prime is 13273003. The reversal of 13272990 is 9927231.

It is a congruent number.

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, 1797 + ... + 5456.

It is an arithmetic number, because the mean of its divisors is an integer number (1011933).

Almost surely, 213272990 is an apocalyptic number.

13272990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13272990 is an abundant number, since it is smaller than the sum of its proper divisors (19108866).

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

13272990 is a wasteful number, since it uses less digits than its factorization.

13272990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7324.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 13272990 is about 3643.2114953705. The cubic root of 13272990 is about 236.7679546171.

The spelling of 13272990 in words is "thirteen million, two hundred seventy-two thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 61 122 183 305 366 610 915 1830 7253 14506 21759 36265 43518 72530 108795 217590 442433 884866 1327299 2212165 2654598 4424330 6636495 13272990