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42801837 = 3131097483
BaseRepresentation
bin1010001101000…
…1101010101101
32222112120002020
42203101222231
541424124322
64125220353
71026544461
oct243215255
988476066
1042801837
1122184721
12124016b9
138b37c40
1459824a1
153b5705c
hex28d1aad

42801837 has 8 divisors (see below), whose sum is σ = 61459104. Its totient is φ = 26339568.

The previous prime is 42801833. The next prime is 42801839. The reversal of 42801837 is 73810824.

42801837 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 not a de Polignac number, because 42801837 - 22 = 42801833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42801798 and 42801807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42801833) 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, 548703 + ... + 548780.

It is an arithmetic number, because the mean of its divisors is an integer number (7682388).

Almost surely, 242801837 is an apocalyptic number.

It is an amenable number.

42801837 is a deficient number, since it is larger than the sum of its proper divisors (18657267).

42801837 is a wasteful number, since it uses less digits than its factorization.

42801837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097499.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 42801837 is about 6542.3112888336. The cubic root of 42801837 is about 349.8008036592.

The spelling of 42801837 in words is "forty-two million, eight hundred one thousand, eight hundred thirty-seven".

Divisors: 1 3 13 39 1097483 3292449 14267279 42801837