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47144450 = 252942889
BaseRepresentation
bin1011001111010…
…1111000000010
310021201012000202
42303311320002
544032110300
64402245202
71111502243
oct263657002
9107635022
1047144450
1124680361
1213956802
1399c8732
146392cca
154213ad5
hex2cf5e02

47144450 has 12 divisors (see below), whose sum is σ = 87688770. Its totient is φ = 18857760.

The previous prime is 47144443. The next prime is 47144467. The reversal of 47144450 is 5444174.

It is a happy number.

47144450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 44182609 + 2961841 = 6647^2 + 1721^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 471395 + ... + 471494.

Almost surely, 247144450 is an apocalyptic number.

47144450 is a deficient number, since it is larger than the sum of its proper divisors (40544320).

47144450 is a wasteful number, since it uses less digits than its factorization.

47144450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942901 (or 942896 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 47144450 is about 6866.1816171727. The cubic root of 47144450 is about 361.2519426148.

The spelling of 47144450 in words is "forty-seven million, one hundred forty-four thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 942889 1885778 4714445 9428890 23572225 47144450