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2990260 = 2257133153
BaseRepresentation
bin1011011010000010110100
312121220212101
423122002310
51231142020
6144031444
734262650
oct13320264
95556771
102990260
111762699
121002584
138090b0
1457ba60
153e100a
hex2da0b4

2990260 has 96 divisors (see below), whose sum is σ = 8128512. Its totient is φ = 898560.

The previous prime is 2990237. The next prime is 2990279. The reversal of 2990260 is 620992.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 56394 + ... + 56446.

It is an arithmetic number, because the mean of its divisors is an integer number (84672).

22990260 is an apocalyptic number.

2990260 is a gapful number since it is divisible by the number (20) 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 2990260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4064256).

2990260 is an abundant number, since it is smaller than the sum of its proper divisors (5138252).

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

2990260 is a wasteful number, since it uses less digits than its factorization.

2990260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2990260 is about 1729.2368258859. The cubic root of 2990260 is about 144.0687043549.

The spelling of 2990260 in words is "two million, nine hundred ninety thousand, two hundred sixty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 31 35 52 53 62 65 70 91 106 124 130 140 155 182 212 217 260 265 310 364 371 403 434 455 530 620 689 742 806 868 910 1060 1085 1378 1484 1612 1643 1820 1855 2015 2170 2756 2821 3286 3445 3710 4030 4340 4823 5642 6572 6890 7420 8060 8215 9646 11284 11501 13780 14105 16430 19292 21359 23002 24115 28210 32860 42718 46004 48230 56420 57505 85436 96460 106795 115010 149513 213590 230020 299026 427180 598052 747565 1495130 2990260