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472705616 = 2499729633
BaseRepresentation
bin11100001011001…
…110101001010000
31012221110221012102
4130023032221100
51432003034431
6114523415532
714466634325
oct3413165120
91187427172
10472705616
112229147a9
121123845a8
1376c19786
1446accb4c
152b775dcb
hex1c2cea50

472705616 has 20 divisors (see below), whose sum is σ = 916816692. Its totient is φ = 236107776.

The previous prime is 472705613. The next prime is 472705619. The reversal of 472705616 is 616507274.

It is an interprime number because it is at equal distance from previous prime (472705613) and next prime (472705619).

It can be written as a sum of positive squares in 2 ways, for example, as 447745600 + 24960016 = 21160^2 + 4996^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 472705616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472705613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136 + ... + 30768.

Almost surely, 2472705616 is an apocalyptic number.

It is an amenable number.

472705616 is a deficient number, since it is larger than the sum of its proper divisors (444111076).

472705616 is a wasteful number, since it uses less digits than its factorization.

472705616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30638 (or 30632 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 472705616 is about 21741.7942221887. The cubic root of 472705616 is about 778.9870787734.

The spelling of 472705616 in words is "four hundred seventy-two million, seven hundred five thousand, six hundred sixteen".

Divisors: 1 2 4 8 16 997 1994 3988 7976 15952 29633 59266 118532 237064 474128 29544101 59088202 118176404 236352808 472705616