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42532915 = 517349171
BaseRepresentation
bin1010001001000…
…0000000110011
32222000220012011
42202100000303
541342023130
64115343351
71024344445
oct242200063
988026164
1042532915
1122010677
12122b1b57
138a72709
145912495
153b0252a
hex2890033

42532915 has 8 divisors (see below), whose sum is σ = 51335568. Its totient is φ = 33828960.

The previous prime is 42532913. The next prime is 42532951. The reversal of 42532915 is 51923524.

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

It is not a de Polignac number, because 42532915 - 21 = 42532913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42532913) 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, 23721 + ... + 25450.

It is an arithmetic number, because the mean of its divisors is an integer number (6416946).

Almost surely, 242532915 is an apocalyptic number.

42532915 is a deficient number, since it is larger than the sum of its proper divisors (8802653).

42532915 is a wasteful number, since it uses less digits than its factorization.

42532915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49349.

The product of its digits is 10800, while the sum is 31.

The square root of 42532915 is about 6521.7263818716. The cubic root of 42532915 is about 349.0666698027.

The spelling of 42532915 in words is "forty-two million, five hundred thirty-two thousand, nine hundred fifteen".

Divisors: 1 5 173 865 49171 245855 8506583 42532915