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472405973 = 1337982133
BaseRepresentation
bin11100001010000…
…101011111010101
31012220220201011112
4130022011133111
51431413442343
6114513144405
714464245614
oct3412053725
91186821145
10472405973
1122272a666
1211225b105
1376b43280
1446a5187b
152b717218
hex1c2857d5

472405973 has 8 divisors (see below), whose sum is σ = 522495288. Its totient is φ = 424281024.

The previous prime is 472405943. The next prime is 472406023. The reversal of 472405973 is 379504274.

It can be written as a sum of positive squares in 4 ways, for example, as 57183844 + 415222129 = 7562^2 + 20377^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 472405973 - 26 = 472405909 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 472405973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472405903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490586 + ... + 491547.

It is an arithmetic number, because the mean of its divisors is an integer number (65311911).

Almost surely, 2472405973 is an apocalyptic number.

It is an amenable number.

472405973 is a deficient number, since it is larger than the sum of its proper divisors (50089315).

472405973 is a wasteful number, since it uses less digits than its factorization.

472405973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982183.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 472405973 is about 21734.9021851951. The cubic root of 472405973 is about 778.8224468086.

The spelling of 472405973 in words is "four hundred seventy-two million, four hundred five thousand, nine hundred seventy-three".

Divisors: 1 13 37 481 982133 12767729 36338921 472405973