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2708020 = 225723292
BaseRepresentation
bin1010010101001000110100
312002120201001
422111020310
51143124040
6134013044
732006050
oct12251064
95076631
102708020
11158a637
12aa7184
1373a7a3
14506c60
1538759a
hex295234

2708020 has 72 divisors (see below), whose sum is σ = 7023744. Its totient is φ = 857472.

The previous prime is 2707987. The next prime is 2708053. The reversal of 2708020 is 208072.

It is an interprime number because it is at equal distance from previous prime (2707987) and next prime (2708053).

It is an Ulam number.

It is a congruent number.

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, 93366 + ... + 93394.

It is an arithmetic number, because the mean of its divisors is an integer number (97552).

22708020 is an apocalyptic number.

2708020 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 2708020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3511872).

2708020 is an abundant number, since it is smaller than the sum of its proper divisors (4315724).

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

2708020 is a wasteful number, since it uses less digits than its factorization.

2708020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2708020 is about 1645.6062712569. The cubic root of 2708020 is about 139.3854011020.

The spelling of 2708020 in words is "two million, seven hundred eight thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 23 28 29 35 46 58 70 92 115 116 140 145 161 203 230 290 322 406 460 580 644 667 805 812 841 1015 1334 1610 1682 2030 2668 3220 3335 3364 4060 4205 4669 5887 6670 8410 9338 11774 13340 16820 18676 19343 23345 23548 29435 38686 46690 58870 77372 93380 96715 117740 135401 193430 270802 386860 541604 677005 1354010 2708020