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47450725 = 5272311789
BaseRepresentation
bin1011010100000…
…0101001100101
310022021202011021
42311000221211
544121410400
64413011141
71114216210
oct265005145
9108252137
1047450725
112486a483
1213a83ab1
139aa4c6a
146432777
15427471a
hex2d40a65

47450725 has 24 divisors (see below), whose sum is σ = 70174080. Its totient is φ = 31120320.

The previous prime is 47450719. The next prime is 47450729. The reversal of 47450725 is 52705474.

It is not a de Polignac number, because 47450725 - 27 = 47450597 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47450729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1870 + ... + 9919.

It is an arithmetic number, because the mean of its divisors is an integer number (2923920).

Almost surely, 247450725 is an apocalyptic number.

It is an amenable number.

47450725 is a deficient number, since it is larger than the sum of its proper divisors (22723355).

47450725 is a wasteful number, since it uses less digits than its factorization.

47450725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11829 (or 11824 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 47450725 is about 6888.4486642494. The cubic root of 47450725 is about 362.0325484811.

The spelling of 47450725 in words is "forty-seven million, four hundred fifty thousand, seven hundred twenty-five".

Divisors: 1 5 7 23 25 35 115 161 175 575 805 4025 11789 58945 82523 271147 294725 412615 1355735 1898029 2063075 6778675 9490145 47450725