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42958472 = 235369809
BaseRepresentation
bin1010001111011…
…1111010001000
32222211111221112
42203313322020
541444132342
64132425452
71031066234
oct243677210
988744845
1042958472
1122281377
1212478288
138b9131b
1459c35c4
153b88682
hex28f7e88

42958472 has 8 divisors (see below), whose sum is σ = 80547150. Its totient is φ = 21479232.

The previous prime is 42958471. The next prime is 42958481. The reversal of 42958472 is 27485924.

It can be written as a sum of positive squares in only one way, i.e., 42328036 + 630436 = 6506^2 + 794^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42958471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2684897 + ... + 2684912.

Almost surely, 242958472 is an apocalyptic number.

It is an amenable number.

42958472 is a deficient number, since it is larger than the sum of its proper divisors (37588678).

42958472 is a wasteful number, since it uses less digits than its factorization.

42958472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5369815 (or 5369811 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 42958472 is about 6554.2712790973. The cubic root of 42958472 is about 350.2269874526.

The spelling of 42958472 in words is "forty-two million, nine hundred fifty-eight thousand, four hundred seventy-two".

Divisors: 1 2 4 8 5369809 10739618 21479236 42958472