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42920298 = 2322384461
BaseRepresentation
bin1010001110111…
…0100101101010
32222202120120200
42203232211222
541441422143
64131533030
71030550031
oct243564552
988676520
1042920298
1122255723
121245a176
138b79b35
1459b3718
153b7c1d3
hex28ee96a

42920298 has 12 divisors (see below), whose sum is σ = 92994018. Its totient is φ = 14306760.

The previous prime is 42920287. The next prime is 42920303. The reversal of 42920298 is 89202924.

It can be written as a sum of positive squares in only one way, i.e., 35319249 + 7601049 = 5943^2 + 2757^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1192213 + ... + 1192248.

Almost surely, 242920298 is an apocalyptic number.

42920298 is an abundant number, since it is smaller than the sum of its proper divisors (50073720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42920298 is a wasteful number, since it uses less digits than its factorization.

42920298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384469 (or 2384466 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 42920298 is about 6551.3584850777. The cubic root of 42920298 is about 350.1232164809.

The spelling of 42920298 in words is "forty-two million, nine hundred twenty thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 9 18 2384461 4768922 7153383 14306766 21460149 42920298