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2152560 = 24358969
BaseRepresentation
bin1000001101100001110000
311001100202110
420031201300
51022340220
6114045320
724203454
oct10154160
94040673
102152560
111240283
12879840
135a4a07
14400664
152c7be0
hex20d870

2152560 has 40 divisors (see below), whose sum is σ = 6673680. Its totient is φ = 573952.

The previous prime is 2152559. The next prime is 2152571. The reversal of 2152560 is 652512.

It is a tau number, because it is divible by the number of its divisors (40).

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, 4245 + ... + 4724.

It is an arithmetic number, because the mean of its divisors is an integer number (166842).

22152560 is an apocalyptic number.

2152560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152560 is an abundant number, since it is smaller than the sum of its proper divisors (4521120).

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

2152560 is a wasteful number, since it uses less digits than its factorization.

2152560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8985 (or 8979 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2152560 is about 1467.1605229149. The cubic root of 2152560 is about 129.1174940588.

It can be divided in two parts, 215 and 2560, that added together give a triangular number (2775 = T74).

The spelling of 2152560 in words is "two million, one hundred fifty-two thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 8969 17938 26907 35876 44845 53814 71752 89690 107628 134535 143504 179380 215256 269070 358760 430512 538140 717520 1076280 2152560