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2990736 = 243372343
BaseRepresentation
bin1011011010001010010000
312121221112000
423122022100
51231200421
6144034000
734264230
oct13321220
95557460
102990736
111762a91
121002900
13809388
1457bcc0
153e1226
hex2da290

2990736 has 160 divisors (see below), whose sum is σ = 10475520. Its totient is φ = 798336.

The previous prime is 2990719. The next prime is 2990749. The reversal of 2990736 is 6370992.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2990736.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69531 + ... + 69573.

It is an arithmetic number, because the mean of its divisors is an integer number (65472).

22990736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2990736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5237760).

2990736 is an abundant number, since it is smaller than the sum of its proper divisors (7484784).

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

2990736 is a wasteful number, since it uses less digits than its factorization.

2990736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 2990736 is about 1729.3744533790. The cubic root of 2990736 is about 144.0763484020.

The spelling of 2990736 in words is "two million, nine hundred ninety thousand, seven hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 27 28 36 42 43 46 48 54 56 63 69 72 84 86 92 108 112 126 129 138 144 161 168 172 184 189 207 216 252 258 276 301 322 336 344 368 378 387 414 432 483 504 516 552 602 621 644 688 756 774 828 903 966 989 1008 1032 1104 1161 1204 1242 1288 1449 1512 1548 1656 1806 1932 1978 2064 2322 2408 2484 2576 2709 2898 2967 3024 3096 3312 3612 3864 3956 4347 4644 4816 4968 5418 5796 5934 6192 6923 7224 7728 7912 8127 8694 8901 9288 9936 10836 11592 11868 13846 14448 15824 16254 17388 17802 18576 20769 21672 23184 23736 26703 27692 32508 34776 35604 41538 43344 47472 53406 55384 62307 65016 69552 71208 83076 106812 110768 124614 130032 142416 166152 186921 213624 249228 332304 373842 427248 498456 747684 996912 1495368 2990736