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47423542 = 279300149
BaseRepresentation
bin1011010011101…
…0000000110110
310022020100212111
42310322000312
544120023132
64412241234
71114044025
oct264720066
9108210774
1047423542
1124851011
1213a7021a
139a9578a
1464268bc
15426b647
hex2d3a036

47423542 has 8 divisors (see below), whose sum is σ = 72036000. Its totient is φ = 23411544.

The previous prime is 47423533. The next prime is 47423543. The reversal of 47423542 is 24532474.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47423543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149917 + ... + 150232.

It is an arithmetic number, because the mean of its divisors is an integer number (9004500).

Almost surely, 247423542 is an apocalyptic number.

47423542 is a deficient number, since it is larger than the sum of its proper divisors (24612458).

47423542 is a wasteful number, since it uses less digits than its factorization.

47423542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300230.

The product of its digits is 26880, while the sum is 31.

The square root of 47423542 is about 6886.4752958244. The cubic root of 47423542 is about 361.9634029932.

The spelling of 47423542 in words is "forty-seven million, four hundred twenty-three thousand, five hundred forty-two".

Divisors: 1 2 79 158 300149 600298 23711771 47423542