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47025041 = 723292081
BaseRepresentation
bin1011001101100…
…0101110010001
310021111010020012
42303120232101
544014300131
64355524305
71110464150
oct263305621
9107433205
1047025041
11245a9678
12138b9695
13998628b
146361597
1541dd52b
hex2cd8b91

47025041 has 8 divisors (see below), whose sum is σ = 56079744. Its totient is φ = 38554560.

The previous prime is 47025031. The next prime is 47025049. The reversal of 47025041 is 14052074.

47025041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47025041 is a prime.

It is a super-2 number, since 2×470250412 = 4422708962103362, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47024998 and 47025016.

It is not an unprimeable number, because it can be changed into a prime (47025049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145880 + ... + 146201.

It is an arithmetic number, because the mean of its divisors is an integer number (7009968).

Almost surely, 247025041 is an apocalyptic number.

It is an amenable number.

47025041 is a deficient number, since it is larger than the sum of its proper divisors (9054703).

47025041 is a wasteful number, since it uses less digits than its factorization.

47025041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292111.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 47025041 is about 6857.4806598342. The cubic root of 47025041 is about 360.9466878504.

The spelling of 47025041 in words is "forty-seven million, twenty-five thousand, forty-one".

Divisors: 1 7 23 161 292081 2044567 6717863 47025041