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47032445 = 530672
BaseRepresentation
bin1011001101101…
…0100001111101
310021111111101102
42303122201331
544020014240
64400022445
71110524555
oct263324175
9107444342
1047032445
1124604199
1213901a25
139989765
146364165
1541e0815
hex2cda87d

47032445 has 6 divisors (see below), whose sum is σ = 56457342. Its totient is φ = 37613688.

The previous prime is 47032441. The next prime is 47032471. The reversal of 47032445 is 54423074.

It can be written as a sum of positive squares in only one way, i.e., 37625956 + 9406489 = 6134^2 + 3067^2 .

It is not a de Polignac number, because 47032445 - 22 = 47032441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47032441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13802 + ... + 16868.

It is an arithmetic number, because the mean of its divisors is an integer number (9409557).

Almost surely, 247032445 is an apocalyptic number.

It is an amenable number.

47032445 is a deficient number, since it is larger than the sum of its proper divisors (9424897).

47032445 is an frugal number, since it uses more digits than its factorization.

47032445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6139 (or 3072 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 47032445 is about 6858.0204869919. The cubic root of 47032445 is about 360.9656303045.

The spelling of 47032445 in words is "forty-seven million, thirty-two thousand, four hundred forty-five".

Divisors: 1 5 3067 15335 9406489 47032445