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47496945 = 353166463
BaseRepresentation
bin1011010100101…
…1111011110001
310022101002120010
42311023323301
544124400240
64414005133
71114501026
oct265137361
9108332503
1047496945
11248a1181
1213aa67a9
139ac0002
14644554d
154283280
hex2d4bef1

47496945 has 8 divisors (see below), whose sum is σ = 75995136. Its totient is φ = 25331696.

The previous prime is 47496907. The next prime is 47496949. The reversal of 47496945 is 54969474.

It is a happy number.

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 47496945 - 26 = 47496881 is a prime.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47496894 and 47496903.

It is not an unprimeable number, because it can be changed into a prime (47496949) 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, 1583217 + ... + 1583246.

It is an arithmetic number, because the mean of its divisors is an integer number (9499392).

Almost surely, 247496945 is an apocalyptic number.

It is an amenable number.

47496945 is a deficient number, since it is larger than the sum of its proper divisors (28498191).

47496945 is a wasteful number, since it uses less digits than its factorization.

47496945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166471.

The product of its digits is 1088640, while the sum is 48.

The square root of 47496945 is about 6891.8027394870. The cubic root of 47496945 is about 362.1500578502.

The spelling of 47496945 in words is "forty-seven million, four hundred ninety-six thousand, nine hundred forty-five".

Divisors: 1 3 5 15 3166463 9499389 15832315 47496945