Search a number
-
+
13461990 = 235448733
BaseRepresentation
bin110011010110…
…100111100110
3221022221101020
4303112213212
511421240430
61200312010
7222265533
oct63264746
927287336
1013461990
117665213
124612606
132a34599
141b05d8a
1512adb10
hexcd69e6

13461990 has 16 divisors (see below), whose sum is σ = 32308848. Its totient is φ = 3589856.

The previous prime is 13461983. The next prime is 13462021. The reversal of 13461990 is 9916431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224337 + ... + 224396.

It is an arithmetic number, because the mean of its divisors is an integer number (2019303).

Almost surely, 213461990 is an apocalyptic number.

13461990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13461990 is an abundant number, since it is smaller than the sum of its proper divisors (18846858).

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

13461990 is a wasteful number, since it uses less digits than its factorization.

13461990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448743.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 13461990 is about 3669.0584623306. The cubic root of 13461990 is about 237.8864769425.

The spelling of 13461990 in words is "thirteen million, four hundred sixty-one thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 448733 897466 1346199 2243665 2692398 4487330 6730995 13461990