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42097803 = 3111275691
BaseRepresentation
bin1010000010010…
…1110010001011
32221012210022220
42200211302023
541234112203
64102145123
71020553056
oct240456213
987183286
1042097803
1121843780
12121221a3
13894c657
14583ba9d
153a68653
hex2825c8b

42097803 has 8 divisors (see below), whose sum is σ = 61233216. Its totient is φ = 25513800.

The previous prime is 42097789. The next prime is 42097807. The reversal of 42097803 is 30879024.

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

It is not a de Polignac number, because 42097803 - 28 = 42097547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1275691 = 42097803 / (4 + 2 + 0 + 9 + 7 + 8 + 0 + 3).

It is not an unprimeable number, because it can be changed into a prime (42097807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637813 + ... + 637878.

It is an arithmetic number, because the mean of its divisors is an integer number (7654152).

Almost surely, 242097803 is an apocalyptic number.

42097803 is a deficient number, since it is larger than the sum of its proper divisors (19135413).

42097803 is a wasteful number, since it uses less digits than its factorization.

42097803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275705.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 42097803 is about 6488.2819759933. The cubic root of 42097803 is about 347.8722694795.

The spelling of 42097803 in words is "forty-two million, ninety-seven thousand, eight hundred three".

Divisors: 1 3 11 33 1275691 3827073 14032601 42097803