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472690 = 2547269
BaseRepresentation
bin1110011011001110010
3220000102001
41303121302
5110111230
614044214
74006051
oct1633162
9800361
10472690
112a3159
121a966a
131371ca
14c4398
15950ca
hex73672

472690 has 8 divisors (see below), whose sum is σ = 850860. Its totient is φ = 189072.

The previous prime is 472687. The next prime is 472691. The reversal of 472690 is 96274.

It can be written as a sum of positive squares in 2 ways, for example, as 398161 + 74529 = 631^2 + 273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4726902 = 446871672200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (472691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23625 + ... + 23644.

2472690 is an apocalyptic number.

472690 is a deficient number, since it is larger than the sum of its proper divisors (378170).

472690 is a wasteful number, since it uses less digits than its factorization.

472690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47276.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 472690 is about 687.5245450164. The cubic root of 472690 is about 77.8978500640.

The spelling of 472690 in words is "four hundred seventy-two thousand, six hundred ninety".

Divisors: 1 2 5 10 47269 94538 236345 472690