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2790216 = 23321113271
BaseRepresentation
bin1010101001001101001000
312020202110100
422221031020
51203241331
6135445400
732500512
oct12511510
95222410
102790216
111636370
12b26860
13769020
14528bb2
153a1ae6
hex2a9348

2790216 has 96 divisors (see below), whose sum is σ = 8910720. Its totient is φ = 777600.

The previous prime is 2790209. The next prime is 2790223. The reversal of 2790216 is 6120972.

It is an interprime number because it is at equal distance from previous prime (2790209) and next prime (2790223).

It is a self number, because there is not a number n which added to its sum of digits gives 2790216.

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, 10161 + ... + 10431.

It is an arithmetic number, because the mean of its divisors is an integer number (92820).

22790216 is an apocalyptic number.

2790216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2790216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4455360).

2790216 is an abundant number, since it is smaller than the sum of its proper divisors (6120504).

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

2790216 is a wasteful number, since it uses less digits than its factorization.

2790216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2790216 is about 1670.3939655063. The cubic root of 2790216 is about 140.7816145501.

The spelling of 2790216 in words is "two million, seven hundred ninety thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 9 11 12 13 18 22 24 26 33 36 39 44 52 66 72 78 88 99 104 117 132 143 156 198 234 264 271 286 312 396 429 468 542 572 792 813 858 936 1084 1144 1287 1626 1716 2168 2439 2574 2981 3252 3432 3523 4878 5148 5962 6504 7046 8943 9756 10296 10569 11924 14092 17886 19512 21138 23848 26829 28184 31707 35772 38753 42276 53658 63414 71544 77506 84552 107316 116259 126828 155012 214632 232518 253656 310024 348777 465036 697554 930072 1395108 2790216