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472750993 = 112132373179
BaseRepresentation
bin11100001011011…
…001101110010001
31012221120020110001
4130023121232101
51432011012433
6114524410001
714500213531
oct3413315621
91187506401
10472750993
11222945900
121123a6901
1376c34320
1446b014c1
152b78457d
hex1c2d9b91

472750993 has 48 divisors (see below), whose sum is σ = 595244160. Its totient is φ = 372176640.

The previous prime is 472750979. The next prime is 472751009. The reversal of 472750993 is 399057274.

It is a de Polignac number, because none of the positive numbers 2k-472750993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472750903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2640978 + ... + 2641156.

It is an arithmetic number, because the mean of its divisors is an integer number (12400920).

Almost surely, 2472750993 is an apocalyptic number.

It is an amenable number.

472750993 is a deficient number, since it is larger than the sum of its proper divisors (122493167).

472750993 is a wasteful number, since it uses less digits than its factorization.

472750993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The square root of 472750993 is about 21742.8377402767. The cubic root of 472750993 is about 779.0120040578.

The spelling of 472750993 in words is "four hundred seventy-two million, seven hundred fifty thousand, nine hundred ninety-three".

Divisors: 1 11 13 23 73 121 143 179 253 299 803 949 1573 1679 1969 2327 2783 3289 4117 8833 10439 13067 18469 21659 21827 25597 36179 45287 53521 114829 143737 169871 203159 240097 281567 300541 498157 588731 1581107 1868581 2641067 3305951 3907033 6476041 20554391 36365461 42977363 472750993