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516624340 = 225374011741
BaseRepresentation
bin11110110010110…
…000111111010100
31100000010020100211
4132302300333110
52024223434330
6123133015204
715542143261
oct3662607724
91300106324
10516624340
11245691571
12125024504
1383055b9b
144c882268
153054dd2a
hex1ecb0fd4

516624340 has 48 divisors (see below), whose sum is σ = 1117653264. Its totient is φ = 200448000.

The previous prime is 516624319. The next prime is 516624343. The reversal of 516624340 is 43426615.

It can be written as a sum of positive squares in 8 ways, for example, as 7851204 + 508773136 = 2802^2 + 22556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516624343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295870 + ... + 297610.

It is an arithmetic number, because the mean of its divisors is an integer number (23284443).

Almost surely, 2516624340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 516624340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558826632).

516624340 is an abundant number, since it is smaller than the sum of its proper divisors (601028924).

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

516624340 is a wasteful number, since it uses less digits than its factorization.

516624340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 516624340 is about 22729.3717467069. The cubic root of 516624340 is about 802.4012954303.

The spelling of 516624340 in words is "five hundred sixteen million, six hundred twenty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 401 740 802 1604 1741 2005 3482 4010 6964 8020 8705 14837 17410 29674 34820 59348 64417 74185 128834 148370 257668 296740 322085 644170 698141 1288340 1396282 2792564 3490705 6981410 13962820 25831217 51662434 103324868 129156085 258312170 516624340