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3047472 = 243221163
BaseRepresentation
bin1011101000000000110000
312201211100100
423220000300
51240004342
6145152400
734621521
oct13500060
95654310
103047472
1117a167a
12102b700
1382914c
14594848
15402e4c
hex2e8030

3047472 has 30 divisors (see below), whose sum is σ = 8529092. Its totient is φ = 1015776.

The previous prime is 3047441. The next prime is 3047479. The reversal of 3047472 is 2747403.

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

It is not an unprimeable number, because it can be changed into a prime (3047479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10438 + ... + 10725.

Almost surely, 23047472 is an apocalyptic number.

It is an amenable number.

3047472 is an abundant number, since it is smaller than the sum of its proper divisors (5481620).

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

3047472 is a wasteful number, since it uses less digits than its factorization.

3047472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21177 (or 21168 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 3047472 is about 1745.7010053271. The cubic root of 3047472 is about 144.9817178694.

It can be divided in two parts, 304 and 7472, that added together give a 5-th power (7776 = 65).

The spelling of 3047472 in words is "three million, forty-seven thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 21163 42326 63489 84652 126978 169304 190467 253956 338608 380934 507912 761868 1015824 1523736 3047472