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42798903 = 372359811
BaseRepresentation
bin1010001101000…
…0111100110111
32222112102001120
42203100330313
541424031103
64125155023
71026533100
oct243207467
988472046
1042798903
11221824a4
12123bba73
138b367c4
1459813a7
153b56253
hex28d0f37

42798903 has 24 divisors (see below), whose sum is σ = 66648960. Its totient is φ = 24358320.

The previous prime is 42798901. The next prime is 42798913. The reversal of 42798903 is 30989724.

It is not a de Polignac number, because 42798903 - 21 = 42798901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42798901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52368 + ... + 53178.

It is an arithmetic number, because the mean of its divisors is an integer number (2777040).

Almost surely, 242798903 is an apocalyptic number.

42798903 is a deficient number, since it is larger than the sum of its proper divisors (23850057).

42798903 is a wasteful number, since it uses less digits than its factorization.

42798903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187 (or 1180 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 42798903 is about 6542.0870523098. The cubic root of 42798903 is about 349.7928107078.

The spelling of 42798903 in words is "forty-two million, seven hundred ninety-eight thousand, nine hundred three".

Divisors: 1 3 7 21 49 147 359 811 1077 2433 2513 5677 7539 17031 17591 39739 52773 119217 291149 873447 2038043 6114129 14266301 42798903