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3470420 = 225732377
BaseRepresentation
bin1101001111010001010100
320112022112002
431033101110
51342023140
6202214432
741332562
oct15172124
96468462
103470420
111a60418
1211b4418
13946805
14664a32
15488415
hex34f454

3470420 has 24 divisors (see below), whose sum is σ = 7390824. Its totient is φ = 1368576.

The previous prime is 3470417. The next prime is 3470443. The reversal of 3470420 is 240743.

It is a happy number.

3470420 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 309136 + 3161284 = 556^2 + 1778^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3470392 and 3470401.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 272 + ... + 2648.

It is an arithmetic number, because the mean of its divisors is an integer number (307951).

Almost surely, 23470420 is an apocalyptic number.

It is an amenable number.

3470420 is an abundant number, since it is smaller than the sum of its proper divisors (3920404).

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

3470420 is a wasteful number, since it uses less digits than its factorization.

3470420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 3470420 is about 1862.9063315154. The cubic root of 3470420 is about 151.4005126944.

The spelling of 3470420 in words is "three million, four hundred seventy thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 2377 4754 9508 11885 23770 47540 173521 347042 694084 867605 1735210 3470420