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2132478 = 232118471
BaseRepresentation
bin1000001000100111111110
311000100012200
420020213332
51021214403
6113412330
724061065
oct10104776
94010180
102132478
111227187
1286a0a6
1359882a
143d71dc
152c1ca3
hex2089fe

2132478 has 12 divisors (see below), whose sum is σ = 4620408. Its totient is φ = 710820.

The previous prime is 2132477. The next prime is 2132483. The reversal of 2132478 is 8742312.

2132478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59218 + ... + 59253.

It is an arithmetic number, because the mean of its divisors is an integer number (385034).

22132478 is an apocalyptic number.

2132478 is an abundant number, since it is smaller than the sum of its proper divisors (2487930).

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

2132478 is a wasteful number, since it uses less digits than its factorization.

2132478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118479 (or 118476 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2132478 is about 1460.3006539751. The cubic root of 2132478 is about 128.7147111631.

The spelling of 2132478 in words is "two million, one hundred thirty-two thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 9 18 118471 236942 355413 710826 1066239 2132478