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2427742990 = 253167179653
BaseRepresentation
bin1001000010110100…
…0110101100001110
320021012020010022001
42100231012230032
514433000233430
61040522542514
7114106321621
oct22055065416
96235203261
102427742990
111036441272
12579067a3a
132c8c8051a
14190601db8
15e32063ca
hex90b46b0e

2427742990 has 64 divisors (see below), whose sum is σ = 4610856960. Its totient is φ = 919163520.

The previous prime is 2427742957. The next prime is 2427742991. The reversal of 2427742990 is 992477242.

It is a self number, because there is not a number n which added to its sum of digits gives 2427742990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2427742991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3717504 + ... + 3718156.

It is an arithmetic number, because the mean of its divisors is an integer number (72044640).

Almost surely, 22427742990 is an apocalyptic number.

2427742990 is a deficient number, since it is larger than the sum of its proper divisors (2183113970).

2427742990 is a wasteful number, since it uses less digits than its factorization.

2427742990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 2427742990 is about 49272.1319814761. The cubic root of 2427742990 is about 1344.0050573642.

The spelling of 2427742990 in words is "two billion, four hundred twenty-seven million, seven hundred forty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 31 62 67 134 155 179 310 335 358 653 670 895 1306 1790 2077 3265 4154 5549 6530 10385 11098 11993 20243 20770 23986 27745 40486 43751 55490 59965 87502 101215 116887 119930 202430 218755 233774 371783 437510 584435 743566 1168870 1356281 1858915 2712562 3623497 3717830 6781405 7246994 7831429 13562810 15662858 18117485 36234970 39157145 78314290 242774299 485548598 1213871495 2427742990