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472822987 = 7135195857
BaseRepresentation
bin11100001011101…
…011010011001011
31012221200220012111
4130023223103023
51432020313422
6114530123151
714500633450
oct3413532313
91187626174
10472822987
112229949aa
121124204b7
1376c5b020
1446b1d827
152b79aa77
hex1c2eb4cb

472822987 has 8 divisors (see below), whose sum is σ = 581936096. Its totient is φ = 374101632.

The previous prime is 472822981. The next prime is 472822993. The reversal of 472822987 is 789228274.

It is an interprime number because it is at equal distance from previous prime (472822981) and next prime (472822993).

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 472822987 - 211 = 472820939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 472822987.

It is not an unprimeable number, because it can be changed into a prime (472822981) 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, 2597838 + ... + 2598019.

It is an arithmetic number, because the mean of its divisors is an integer number (72742012).

Almost surely, 2472822987 is an apocalyptic number.

472822987 is a deficient number, since it is larger than the sum of its proper divisors (109113109).

472822987 is a wasteful number, since it uses less digits than its factorization.

472822987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5195877.

The product of its digits is 903168, while the sum is 49.

The square root of 472822987 is about 21744.4932569145. The cubic root of 472822987 is about 779.0515466107.

The spelling of 472822987 in words is "four hundred seventy-two million, eight hundred twenty-two thousand, nine hundred eighty-seven".

Divisors: 1 7 13 91 5195857 36370999 67546141 472822987