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530542494 = 2331731103181
BaseRepresentation
bin11111100111110…
…110111110011110
31100222022100111000
4133213312332132
52041304324434
6124351211130
716101352056
oct3747667636
91328270430
10530542494
11252528479
12129816aa6
1385bb9c91
1450666566
153189cb99
hex1f9f6f9e

530542494 has 128 divisors (see below), whose sum is σ = 1308303360. Its totient is φ = 158630400.

The previous prime is 530542469. The next prime is 530542499. The reversal of 530542494 is 494245035.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530542499) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2931084 + ... + 2931264.

It is an arithmetic number, because the mean of its divisors is an integer number (10221120).

Almost surely, 2530542494 is an apocalyptic number.

530542494 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 530542494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654151680).

530542494 is an abundant number, since it is smaller than the sum of its proper divisors (777760866).

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

530542494 is a wasteful number, since it uses less digits than its factorization.

530542494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 530542494 is about 23033.5080697665. The cubic root of 530542494 is about 809.5432541567.

The spelling of 530542494 in words is "five hundred thirty million, five hundred forty-two thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 17 18 27 31 34 51 54 62 93 102 103 153 181 186 206 279 306 309 362 459 527 543 558 618 837 918 927 1054 1086 1581 1629 1674 1751 1854 2781 3077 3162 3193 3258 3502 4743 4887 5253 5562 5611 6154 6386 9231 9486 9579 9774 10506 11222 14229 15759 16833 18462 18643 19158 27693 28458 28737 31518 33666 37286 47277 50499 54281 55386 55929 57474 83079 86211 94554 95387 100998 108562 111858 151497 162843 166158 167787 172422 190774 286161 302994 316931 325686 335574 488529 503361 572322 577933 633862 858483 950793 977058 1006722 1155866 1465587 1716966 1733799 1901586 2575449 2852379 2931174 3467598 5150898 5201397 5704758 8557137 9824861 10402794 15604191 17114274 19649722 29474583 31208382 58949166 88423749 176847498 265271247 530542494