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4002572 = 227142949
BaseRepresentation
bin1111010001001100001100
321112100111102
433101030030
52011040242
6221442232
746010210
oct17211414
97470442
104002572
112294212
121410378
13aa1ab2
14762940
15540e32
hex3d130c

4002572 has 12 divisors (see below), whose sum is σ = 8005200. Its totient is φ = 1715376.

The previous prime is 4002571. The next prime is 4002577. The reversal of 4002572 is 2752004.

4002572 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4002571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71447 + ... + 71502.

It is an arithmetic number, because the mean of its divisors is an integer number (667100).

Almost surely, 24002572 is an apocalyptic number.

It is an amenable number.

4002572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4002572 is a wasteful number, since it uses less digits than its factorization.

4002572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142960 (or 142958 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 4002572 is about 2000.6428966710. The cubic root of 4002572 is about 158.7741212030.

Adding to 4002572 its reverse (2752004), we get a palindrome (6754576).

The spelling of 4002572 in words is "four million, two thousand, five hundred seventy-two".

Divisors: 1 2 4 7 14 28 142949 285898 571796 1000643 2001286 4002572