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472505 = 511371
BaseRepresentation
bin1110011010110111001
3220000011012
41303112321
5110110010
614043305
74005365
oct1632671
9800135
10472505
112a3000
121a9535
131370b7
14c42a5
1595005
hex735b9

472505 has 16 divisors (see below), whose sum is σ = 632448. Its totient is φ = 338800.

The previous prime is 472477. The next prime is 472523. The reversal of 472505 is 505274.

It is not a de Polignac number, because 472505 - 28 = 472249 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 472505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6620 + ... + 6690.

It is an arithmetic number, because the mean of its divisors is an integer number (39528).

2472505 is an apocalyptic number.

It is an amenable number.

472505 is a deficient number, since it is larger than the sum of its proper divisors (159943).

472505 is an equidigital number, since it uses as much as digits as its factorization.

472505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 472505 is about 687.3899911986. The cubic root of 472505 is about 77.8876862619.

Adding to 472505 its reverse (505274), we get a palindrome (977779).

It can be divided in two parts, 47 and 2505, that added together give a palindrome (2552).

The spelling of 472505 in words is "four hundred seventy-two thousand, five hundred five".

Divisors: 1 5 11 55 71 121 355 605 781 1331 3905 6655 8591 42955 94501 472505