Search a number
-
+
42800803 = 98343541
BaseRepresentation
bin1010001101000…
…1011010100011
32222112111122221
42203101122203
541424111203
64125211511
71026541453
oct243213243
988474587
1042800803
1122183971
1212400b97
138b37626
145981d63
153b56abd
hex28d16a3

42800803 has 4 divisors (see below), whose sum is σ = 42845328. Its totient is φ = 42756280.

The previous prime is 42800789. The next prime is 42800809. The reversal of 42800803 is 30800824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42800803 - 225 = 9246371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42800809) 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, 20788 + ... + 22753.

It is an arithmetic number, because the mean of its divisors is an integer number (10711332).

Almost surely, 242800803 is an apocalyptic number.

42800803 is a deficient number, since it is larger than the sum of its proper divisors (44525).

42800803 is an equidigital number, since it uses as much as digits as its factorization.

42800803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44524.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 42800803 is about 6542.2322642963. The cubic root of 42800803 is about 349.7979868257.

The spelling of 42800803 in words is "forty-two million, eight hundred thousand, eight hundred three".

Divisors: 1 983 43541 42800803