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8472041 = 35923599
BaseRepresentation
bin100000010100…
…010111101001
3120221102110022
4200110113221
54132101131
6501330225
7132003554
oct40242751
916842408
108472041
114867196
122a06975
1319a8256
1411a769b
15b2537b
hex8145e9

8472041 has 4 divisors (see below), whose sum is σ = 8496000. Its totient is φ = 8448084.

The previous prime is 8472017. The next prime is 8472047. The reversal of 8472041 is 1402748.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8472041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8472041.

It is not an unprimeable number, because it can be changed into a prime (8472047) 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, 11441 + ... + 12158.

It is an arithmetic number, because the mean of its divisors is an integer number (2124000).

Almost surely, 28472041 is an apocalyptic number.

It is an amenable number.

8472041 is a deficient number, since it is larger than the sum of its proper divisors (23959).

8472041 is a wasteful number, since it uses less digits than its factorization.

8472041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23958.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 8472041 is about 2910.6770689996. The cubic root of 8472041 is about 203.8587465708.

Adding to 8472041 its reverse (1402748), we get a palindrome (9874789).

The spelling of 8472041 in words is "eight million, four hundred seventy-two thousand, forty-one".

Divisors: 1 359 23599 8472041