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11412990 = 2325211601
BaseRepresentation
bin101011100010…
…010111111110
3210110211200100
4223202113332
510410203430
61044341530
7166003011
oct53422776
923424610
1011412990
116495826
1239a48a6
132497a64
141731378
151006960
hexae25fe

11412990 has 48 divisors (see below), whose sum is σ = 29864016. Its totient is φ = 3024000.

The previous prime is 11412959. The next prime is 11413007. The reversal of 11412990 is 9921411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18690 + ... + 19290.

It is an arithmetic number, because the mean of its divisors is an integer number (622167).

Almost surely, 211412990 is an apocalyptic number.

11412990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11412990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14932008).

11412990 is an abundant number, since it is smaller than the sum of its proper divisors (18451026).

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

11412990 is a wasteful number, since it uses less digits than its factorization.

11412990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 11412990 is about 3378.3117085313. The cubic root of 11412990 is about 225.1471629852.

The spelling of 11412990 in words is "eleven million, four hundred twelve thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 211 422 601 633 1055 1202 1266 1803 1899 2110 3005 3165 3606 3798 5409 6010 6330 9015 9495 10818 18030 18990 27045 54090 126811 253622 380433 634055 760866 1141299 1268110 1902165 2282598 3804330 5706495 11412990