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2690250 = 235317211
BaseRepresentation
bin1010010000110011001010
312001200022220
422100303022
51142042000
6133354510
731603203
oct12206312
95050286
102690250
111578252
12a98a36
13732684
145005aa
153821a0
hex290cca

2690250 has 64 divisors (see below), whose sum is σ = 7143552. Its totient is φ = 672000.

The previous prime is 2690249. The next prime is 2690263. The reversal of 2690250 is 520962.

It is a self number, because there is not a number n which added to its sum of digits gives 2690250.

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, 12645 + ... + 12855.

It is an arithmetic number, because the mean of its divisors is an integer number (111618).

22690250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2690250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3571776).

2690250 is an abundant number, since it is smaller than the sum of its proper divisors (4453302).

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

2690250 is a wasteful number, since it uses less digits than its factorization.

2690250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2690250 is about 1640.1981587601. The cubic root of 2690250 is about 139.0798499162.

The spelling of 2690250 in words is "two million, six hundred ninety thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 17 25 30 34 50 51 75 85 102 125 150 170 211 250 255 375 422 425 510 633 750 850 1055 1266 1275 2110 2125 2550 3165 3587 4250 5275 6330 6375 7174 10550 10761 12750 15825 17935 21522 26375 31650 35870 52750 53805 79125 89675 107610 158250 179350 269025 448375 538050 896750 1345125 2690250