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472147 = 1336319
BaseRepresentation
bin1110011010001010011
3212222122221
41303101103
5110102042
614041511
74004344
oct1632123
9788587
10472147
112a2805
121a9297
13136ba0
14c40cb
1594d67
hex73453

472147 has 4 divisors (see below), whose sum is σ = 508480. Its totient is φ = 435816.

The previous prime is 472139. The next prime is 472151. The reversal of 472147 is 741274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 472147 - 23 = 472139 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472127) 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, 18147 + ... + 18172.

It is an arithmetic number, because the mean of its divisors is an integer number (127120).

2472147 is an apocalyptic number.

472147 is a deficient number, since it is larger than the sum of its proper divisors (36333).

472147 is a wasteful number, since it uses less digits than its factorization.

472147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36332.

The product of its digits is 1568, while the sum is 25.

The square root of 472147 is about 687.1295365504. The cubic root of 472147 is about 77.8680103948.

The spelling of 472147 in words is "four hundred seventy-two thousand, one hundred forty-seven", and thus it is an iban number.

Divisors: 1 13 36319 472147