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2707680 = 25355641
BaseRepresentation
bin1010010101000011100000
312002120020110
422111003200
51143121210
6134011320
732005053
oct12250340
95076213
102707680
11158a358
12aa6b40
1373a5a1
14506a9a
15387420
hex2950e0

2707680 has 48 divisors (see below), whose sum is σ = 8530704. Its totient is φ = 721920.

The previous prime is 2707657. The next prime is 2707699. The reversal of 2707680 is 867072.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2341 + ... + 3300.

It is an arithmetic number, because the mean of its divisors is an integer number (177723).

22707680 is an apocalyptic number.

2707680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2707680 is an abundant number, since it is smaller than the sum of its proper divisors (5823024).

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

2707680 is a wasteful number, since it uses less digits than its factorization.

2707680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659 (or 5651 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 2707680 is about 1645.5029626227. The cubic root of 2707680 is about 139.3795674400.

It can be divided in two parts, 270 and 7680, that multiplied together give a square (2073600 = 14402).

The spelling of 2707680 in words is "two million, seven hundred seven thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 5641 11282 16923 22564 28205 33846 45128 56410 67692 84615 90256 112820 135384 169230 180512 225640 270768 338460 451280 541536 676920 902560 1353840 2707680