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3478830 = 235611901
BaseRepresentation
bin1101010001010100101110
320112202001120
431101110232
51342310310
6202321410
741366235
oct15212456
96482046
103478830
111a66773
1211b9266
1394a5a4
14667b1c
1548ab70
hex35152e

3478830 has 32 divisors (see below), whose sum is σ = 8490528. Its totient is φ = 912000.

The previous prime is 3478807. The next prime is 3478831. The reversal of 3478830 is 388743.

3478830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3478791 and 3478800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478831) 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 15 ways as a sum of consecutive naturals, for example, 880 + ... + 2780.

It is an arithmetic number, because the mean of its divisors is an integer number (265329).

Almost surely, 23478830 is an apocalyptic number.

3478830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3478830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4245264).

3478830 is an abundant number, since it is smaller than the sum of its proper divisors (5011698).

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

3478830 is a wasteful number, since it uses less digits than its factorization.

3478830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 3478830 is about 1865.1621913389. The cubic root of 3478830 is about 151.5227122328.

The spelling of 3478830 in words is "three million, four hundred seventy-eight thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 61 122 183 305 366 610 915 1830 1901 3802 5703 9505 11406 19010 28515 57030 115961 231922 347883 579805 695766 1159610 1739415 3478830