Search a number
-
+
90363740 = 2254518187
BaseRepresentation
bin1010110001011…
…01011101011100
320022000221202012
411120231131130
5141113114430
612544450352
72145036065
oct530553534
9208027665
1090363740
114700a685
12263199b8
131594b68c
14c00356c
157dee695
hex562d75c

90363740 has 12 divisors (see below), whose sum is σ = 189763896. Its totient is φ = 36145488.

The previous prime is 90363733. The next prime is 90363773. The reversal of 90363740 is 4736309.

It is a junction number, because it is equal to n+sod(n) for n = 90363697 and 90363706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2259074 + ... + 2259113.

It is an arithmetic number, because the mean of its divisors is an integer number (15813658).

Almost surely, 290363740 is an apocalyptic number.

It is an amenable number.

90363740 is an abundant number, since it is smaller than the sum of its proper divisors (99400156).

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

90363740 is a wasteful number, since it uses less digits than its factorization.

90363740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518196 (or 4518194 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 90363740 is about 9505.9844308730. The cubic root of 90363740 is about 448.7433913516.

The spelling of 90363740 in words is "ninety million, three hundred sixty-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 4518187 9036374 18072748 22590935 45181870 90363740