Search a number
-
+
2001940758 = 23473169283
BaseRepresentation
bin111011101010011…
…0011000100010110
312011112000010110000
41313110303010112
513044444101013
6530352312130
7100416133656
oct16724630426
95145003400
102001940758
119380527a4
1247a542646
1325b9a683c
1414dc42366
15bab47973
hex77533116

2001940758 has 40 divisors (see below), whose sum is σ = 4547306808. Its totient is φ = 658168416.

The previous prime is 2001940753. The next prime is 2001940783. The reversal of 2001940758 is 8570491002.

It is a super-2 number, since 2×20019407582 = 8015533597083229128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001940753) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 72816 + ... + 96467.

Almost surely, 22001940758 is an apocalyptic number.

2001940758 is an abundant number, since it is smaller than the sum of its proper divisors (2545366050).

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

2001940758 is a wasteful number, since it uses less digits than its factorization.

2001940758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169370 (or 169361 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 2001940758 is about 44743.0526227257. The cubic root of 2001940758 is about 1260.3284517880.

The spelling of 2001940758 in words is "two billion, one million, nine hundred forty thousand, seven hundred fifty-eight".

Divisors: 1 2 3 6 9 18 27 54 73 81 146 162 219 438 657 1314 1971 3942 5913 11826 169283 338566 507849 1015698 1523547 3047094 4570641 9141282 12357659 13711923 24715318 27423846 37072977 74145954 111218931 222437862 333656793 667313586 1000970379 2001940758