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3130478 = 213196337
BaseRepresentation
bin1011111100010001101110
312220001012122
423330101232
51300133403
6151032542
735415521
oct13742156
95801178
103130478
111848a7a
12106b752
13857b70
145b6bb8
1541c838
hex2fc46e

3130478 has 16 divisors (see below), whose sum is σ = 5323920. Its totient is φ = 1368576.

The previous prime is 3130453. The next prime is 3130483. The reversal of 3130478 is 8740313.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2675 + ... + 3662.

It is an arithmetic number, because the mean of its divisors is an integer number (332745).

Almost surely, 23130478 is an apocalyptic number.

3130478 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3130478 is a deficient number, since it is larger than the sum of its proper divisors (2193442).

3130478 is a wasteful number, since it uses less digits than its factorization.

3130478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 3130478 is about 1769.3156869253. The cubic root of 3130478 is about 146.2862651441.

The spelling of 3130478 in words is "three million, one hundred thirty thousand, four hundred seventy-eight".

Divisors: 1 2 13 19 26 38 247 494 6337 12674 82381 120403 164762 240806 1565239 3130478