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7970625 = 325413109
BaseRepresentation
bin11110011001111101000001
3112222221122100
4132121331001
54020030000
6442501013
7124514655
oct36317501
915887570
107970625
1145544a3
122804769
131860c60
1410b6a65
15a76a00
hex799f41

7970625 has 60 divisors (see below), whose sum is σ = 15635620. Its totient is φ = 3888000.

The previous prime is 7970597. The next prime is 7970653. The reversal of 7970625 is 5260797.

It is an interprime number because it is at equal distance from previous prime (7970597) and next prime (7970653).

It can be written as a sum of positive squares in 10 ways, for example, as 6718464 + 1252161 = 2592^2 + 1119^2 .

It is not a de Polignac number, because 7970625 - 26 = 7970561 is a prime.

7970625 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 7970625.

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 73071 + ... + 73179.

Almost surely, 27970625 is an apocalyptic number.

7970625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7970625 is a deficient number, since it is larger than the sum of its proper divisors (7664995).

7970625 is a wasteful number, since it uses less digits than its factorization.

7970625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 7970625 is about 2823.2295337078. The cubic root of 7970625 is about 199.7549081058.

The spelling of 7970625 in words is "seven million, nine hundred seventy thousand, six hundred twenty-five".

Divisors: 1 3 5 9 13 15 25 39 45 65 75 109 117 125 195 225 325 327 375 545 585 625 975 981 1125 1417 1625 1635 1875 2725 2925 4251 4875 4905 5625 7085 8125 8175 12753 13625 14625 21255 24375 24525 35425 40875 63765 68125 73125 106275 122625 177125 204375 318825 531375 613125 885625 1594125 2656875 7970625