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472900 = 22524729
BaseRepresentation
bin1110011011101000100
3220000200211
41303131010
5110113100
614045204
74006501
oct1633504
9800624
10472900
112a332a
121a9804
1313732c
14c44a8
15951ba
hex73744

472900 has 18 divisors (see below), whose sum is σ = 1026410. Its totient is φ = 189120.

The previous prime is 472883. The next prime is 472907. The reversal of 472900 is 9274.

It can be written as a sum of positive squares in 3 ways, for example, as 2304 + 470596 = 48^2 + 686^2 .

It is not an unprimeable number, because it can be changed into a prime (472907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2265 + ... + 2464.

2472900 is an apocalyptic number.

It is an amenable number.

472900 is an abundant number, since it is smaller than the sum of its proper divisors (553510).

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

472900 is a wasteful number, since it uses less digits than its factorization.

472900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743 (or 4736 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 472900 is about 687.6772498782. The cubic root of 472900 is about 77.9093841396.

Subtracting from 472900 its sum of digits (22), we obtain a triangular number (472878 = T972).

It can be divided in two parts, 4 and 72900, that multiplied together give a square (291600 = 5402).

The spelling of 472900 in words is "four hundred seventy-two thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 4729 9458 18916 23645 47290 94580 118225 236450 472900