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530280308252 = 221919336152189
BaseRepresentation
bin1111011011101110010…
…10110101111000011100
31212200202010221202020202
413231313022311320130
532142003224331002
61043335111203032
753211561151412
oct7556712657034
91780663852222
10530280308252
11194988456242
1286931976478
133b00b607936
141b9469972b2
15dbd917b502
hex7b772b5e1c

530280308252 has 24 divisors (see below), whose sum is σ = 981893480400. Its totient is φ = 249883923456.

The previous prime is 530280308249. The next prime is 530280308263. The reversal of 530280308252 is 252803082035.

It is a happy number.

It is a super-2 number, since 2×5302803082522 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18061427 + ... + 18090762.

It is an arithmetic number, because the mean of its divisors is an integer number (40912228350).

Almost surely, 2530280308252 is an apocalyptic number.

It is an amenable number.

530280308252 is a deficient number, since it is larger than the sum of its proper divisors (451613172148).

530280308252 is a wasteful number, since it uses less digits than its factorization.

530280308252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36152405 (or 36152403 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 530280308252 in words is "five hundred thirty billion, two hundred eighty million, three hundred eight thousand, two hundred fifty-two".

Divisors: 1 2 4 19 38 76 193 386 772 3667 7334 14668 36152189 72304378 144608756 686891591 1373783182 2747566364 6977372477 13954744954 27909489908 132570077063 265140154126 530280308252