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11279490 = 235375983
BaseRepresentation
bin101011000001…
…110010000010
3210020001112220
4223001302002
510341420430
61041431510
7164605545
oct53016202
923201486
1011279490
1164044a2
12393b596
13244c071
1416d885c
15ecc110
hexac1c82

11279490 has 16 divisors (see below), whose sum is σ = 27070848. Its totient is φ = 3007856.

The previous prime is 11279479. The next prime is 11279503. The reversal of 11279490 is 9497211.

It is a nialpdrome in base 15.

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, 187962 + ... + 188021.

It is an arithmetic number, because the mean of its divisors is an integer number (1691928).

Almost surely, 211279490 is an apocalyptic number.

11279490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11279490 is an abundant number, since it is smaller than the sum of its proper divisors (15791358).

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

11279490 is a wasteful number, since it uses less digits than its factorization.

11279490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375993.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 11279490 is about 3358.4951987460. The cubic root of 11279490 is about 224.2658540957.

The spelling of 11279490 in words is "eleven million, two hundred seventy-nine thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 375983 751966 1127949 1879915 2255898 3759830 5639745 11279490