Search a number
-
+
43098740 = 22517126761
BaseRepresentation
bin1010010001101…
…0001001110100
310000002122100122
42210122021310
542013124430
64135431112
71032222206
oct244321164
9100078318
1043098740
11223677a3
1212525498
138c10119
145a1c776
153bb4ee5
hex291a274

43098740 has 24 divisors (see below), whose sum is σ = 95832072. Its totient is φ = 16225280.

The previous prime is 43098739. The next prime is 43098761. The reversal of 43098740 is 4789034.

It can be written as a sum of positive squares in 4 ways, for example, as 24245776 + 18852964 = 4924^2 + 4342^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 43098740.

It is a congruent number.

It is an unprimeable number.

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, 63041 + ... + 63720.

It is an arithmetic number, because the mean of its divisors is an integer number (3993003).

Almost surely, 243098740 is an apocalyptic number.

It is an amenable number.

43098740 is an abundant number, since it is smaller than the sum of its proper divisors (52733332).

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

43098740 is a wasteful number, since it uses less digits than its factorization.

43098740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126787 (or 126785 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 43098740 is about 6564.9630615869. The cubic root of 43098740 is about 350.6077603652.

The spelling of 43098740 in words is "forty-three million, ninety-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 126761 253522 507044 633805 1267610 2154937 2535220 4309874 8619748 10774685 21549370 43098740