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2412990 = 2365331
BaseRepresentation
bin1001001101000110111110
311112121000000
421031012332
51104203430
6123415130
726336646
oct11150676
94477000
102412990
1113a8a08
129844a6
13666408
1446b526
15329e60
hex24d1be

2412990 has 56 divisors (see below), whose sum is σ = 6531768. Its totient is φ = 641520.

The previous prime is 2412961. The next prime is 2413001. The reversal of 2412990 is 992142.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 7125 + ... + 7455.

22412990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2412990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3265884).

2412990 is an abundant number, since it is smaller than the sum of its proper divisors (4118778).

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

2412990 is an equidigital number, since it uses as much as digits as its factorization.

2412990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2412990 is about 1553.3801852734. The cubic root of 2412990 is about 134.1277092418.

The spelling of 2412990 in words is "two million, four hundred twelve thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 331 405 486 662 729 810 993 1215 1458 1655 1986 2430 2979 3310 3645 4965 5958 7290 8937 9930 14895 17874 26811 29790 44685 53622 80433 89370 134055 160866 241299 268110 402165 482598 804330 1206495 2412990