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4020472 = 233071637
BaseRepresentation
bin1111010101100011111000
321120021001101
433111203320
52012123342
6222101144
746113331
oct17254370
97507041
104020472
1122a6705
12141a7b4
13aa9ca1
14769288
155463b7
hex3d58f8

4020472 has 16 divisors (see below), whose sum is σ = 7567560. Its totient is φ = 2002464.

The previous prime is 4020463. The next prime is 4020493. The reversal of 4020472 is 2740204.

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 3 ways as a sum of consecutive naturals, for example, 1638 + ... + 3274.

Almost surely, 24020472 is an apocalyptic number.

It is an amenable number.

4020472 is a deficient number, since it is larger than the sum of its proper divisors (3547088).

4020472 is a wasteful number, since it uses less digits than its factorization.

4020472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 4020472 is about 2005.1114682232. Note that the first 3 decimals coincide. The cubic root of 4020472 is about 159.0104551225.

Adding to 4020472 its reverse (2740204), we get a palindrome (6760676).

The spelling of 4020472 in words is "four million, twenty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 307 614 1228 1637 2456 3274 6548 13096 502559 1005118 2010236 4020472