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47050965 = 3251380429
BaseRepresentation
bin1011001101111…
…1000011010101
310021112102210100
42303133003111
544021112330
64400244313
71110632553
oct263370325
9107472710
1047050965
11246170a5
1213910699
139995010
14636abd3
1541e6060
hex2cdf0d5

47050965 has 24 divisors (see below), whose sum is σ = 87829560. Its totient is φ = 23163264.

The previous prime is 47050961. The next prime is 47050967. The reversal of 47050965 is 56905074.

It can be written as a sum of positive squares in 4 ways, for example, as 715716 + 46335249 = 846^2 + 6807^2 .

It is not a de Polignac number, because 47050965 - 22 = 47050961 is a prime.

It is a super-3 number, since 3×470509653 (a number of 24 digits) contains 333 as substring.

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 (47050961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39630 + ... + 40799.

It is an arithmetic number, because the mean of its divisors is an integer number (3659565).

Almost surely, 247050965 is an apocalyptic number.

47050965 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47050965 is a deficient number, since it is larger than the sum of its proper divisors (40778595).

47050965 is a wasteful number, since it uses less digits than its factorization.

47050965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80453 (or 80450 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 47050965 is about 6859.3705979485. The cubic root of 47050965 is about 361.0130033197.

The spelling of 47050965 in words is "forty-seven million, fifty thousand, nine hundred sixty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 585 80429 241287 402145 723861 1045577 1206435 3136731 3619305 5227885 9410193 15683655 47050965