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47055945 = 353137063
BaseRepresentation
bin1011001110000…
…0010001001001
310021112200121210
42303200101021
544021242240
64400323333
71110653226
oct263402111
9107480553
1047055945
112461a912
1213913549
139997371
14636c94d
1541e7780
hex2ce0449

47055945 has 8 divisors (see below), whose sum is σ = 75289536. Its totient is φ = 25096496.

The previous prime is 47055941. The next prime is 47055947. The reversal of 47055945 is 54955074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47055945 - 22 = 47055941 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47055941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568517 + ... + 1568546.

It is an arithmetic number, because the mean of its divisors is an integer number (9411192).

Almost surely, 247055945 is an apocalyptic number.

It is an amenable number.

47055945 is a deficient number, since it is larger than the sum of its proper divisors (28233591).

47055945 is a wasteful number, since it uses less digits than its factorization.

47055945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137071.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 47055945 is about 6859.7335954102. The cubic root of 47055945 is about 361.0257397310.

The spelling of 47055945 in words is "forty-seven million, fifty-five thousand, nine hundred forty-five".

Divisors: 1 3 5 15 3137063 9411189 15685315 47055945