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2949742590 = 2351719304411
BaseRepresentation
bin1010111111010001…
…0111111111111110
321121120110110010120
42233310113333332
522020113230330
61204411115410
7133045253424
oct25764277776
97546413116
102949742590
1112840642a3
126a3a42b66
13380168c22
141dda83114
15123e67c10
hexafd17ffe

2949742590 has 64 divisors (see below), whose sum is σ = 7890359040. Its totient is φ = 701360640.

The previous prime is 2949742577. The next prime is 2949742619. The reversal of 2949742590 is 952479492.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142516 + ... + 161895.

It is an arithmetic number, because the mean of its divisors is an integer number (123286860).

Almost surely, 22949742590 is an apocalyptic number.

2949742590 is an abundant number, since it is smaller than the sum of its proper divisors (4940616450).

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

2949742590 is a wasteful number, since it uses less digits than its factorization.

2949742590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304457.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 2949742590 is about 54311.5327531824. The cubic root of 2949742590 is about 1434.1504260694.

The spelling of 2949742590 in words is "two billion, nine hundred forty-nine million, seven hundred forty-two thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 17 19 30 34 38 51 57 85 95 102 114 170 190 255 285 323 510 570 646 969 1615 1938 3230 4845 9690 304411 608822 913233 1522055 1826466 3044110 4566165 5174987 5783809 9132330 10349974 11567618 15524961 17351427 25874935 28919045 31049922 34702854 51749870 57838090 77624805 86757135 98324753 155249610 173514270 196649506 294974259 491623765 589948518 983247530 1474871295 2949742590