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47625290 = 2537128717
BaseRepresentation
bin1011010110101…
…1010001001010
310022121121121122
42311223101022
544143002130
64420435242
71115544146
oct265532112
9108547548
1047625290
1124979649
1213b48b22
139b3655b
14647a226
1542ab2e5
hex2d6b44a

47625290 has 16 divisors (see below), whose sum is σ = 88043112. Its totient is φ = 18535104.

The previous prime is 47625287. The next prime is 47625293. The reversal of 47625290 is 9252674.

47625290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47625287) and next prime (47625293).

It can be written as a sum of positive squares in 4 ways, for example, as 45414121 + 2211169 = 6739^2 + 1487^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47625290.

It is not an unprimeable number, because it can be changed into a prime (47625293) 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 7 ways as a sum of consecutive naturals, for example, 63989 + ... + 64728.

Almost surely, 247625290 is an apocalyptic number.

47625290 is a deficient number, since it is larger than the sum of its proper divisors (40417822).

47625290 is a wasteful number, since it uses less digits than its factorization.

47625290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128761.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 47625290 is about 6901.1078820723. The cubic root of 47625290 is about 362.4759619415.

The spelling of 47625290 in words is "forty-seven million, six hundred twenty-five thousand, two hundred ninety".

Divisors: 1 2 5 10 37 74 185 370 128717 257434 643585 1287170 4762529 9525058 23812645 47625290