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472869827 = 1493173623
BaseRepresentation
bin11100001011110…
…110101111000011
31012221210021110022
4130023312233003
51432023313302
6114531124055
714501220143
oct3413665703
91187707408
10472869827
11222a17111
1211244362b
1376c76441
1446b32923
152b7a98a2
hex1c2f6bc3

472869827 has 4 divisors (see below), whose sum is σ = 476043600. Its totient is φ = 469696056.

The previous prime is 472869809. The next prime is 472869847. The reversal of 472869827 is 728968274.

It is a happy number.

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 472869827 - 218 = 472607683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472869847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586663 + ... + 1586960.

It is an arithmetic number, because the mean of its divisors is an integer number (119010900).

Almost surely, 2472869827 is an apocalyptic number.

472869827 is a deficient number, since it is larger than the sum of its proper divisors (3173773).

472869827 is a wasteful number, since it uses less digits than its factorization.

472869827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173772.

The product of its digits is 2709504, while the sum is 53.

The square root of 472869827 is about 21745.5702845430. The cubic root of 472869827 is about 779.0772712268.

The spelling of 472869827 in words is "four hundred seventy-two million, eight hundred sixty-nine thousand, eight hundred twenty-seven".

Divisors: 1 149 3173623 472869827