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472997 = 74197
BaseRepresentation
bin1110011011110100101
3220000211102
41303132211
5110113442
614045445
74010000
oct1633645
9800742
10472997
112a3408
121a9885
131373a5
14c4537
1595232
hex737a5

472997 has 10 divisors (see below), whose sum is σ = 554598. Its totient is φ = 403368.

The previous prime is 472993. The next prime is 473009. The reversal of 472997 is 799274.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 470596 + 2401 = 686^2 + 49^2 .

It is not a de Polignac number, because 472997 - 22 = 472993 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 472997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472993) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2303 + ... + 2499.

2472997 is an apocalyptic number.

It is an amenable number.

472997 is a deficient number, since it is larger than the sum of its proper divisors (81601).

472997 is an frugal number, since it uses more digits than its factorization.

472997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 204 counting only the distinct ones).

The product of its digits is 31752, while the sum is 38.

The square root of 472997 is about 687.7477735333. The cubic root of 472997 is about 77.9147106311.

The spelling of 472997 in words is "four hundred seventy-two thousand, nine hundred ninety-seven".

Divisors: 1 7 49 197 343 1379 2401 9653 67571 472997