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530907240 = 233531433319
BaseRepresentation
bin11111101001010…
…000000001101000
31100222222212211010
4133221100001220
52041403012430
6124403103520
716104431343
oct3751200150
91328885733
10530907240
11252757516
12129971ba0
1385cb6cc6
145071d45a
1531920cb0
hex1fa50068

530907240 has 128 divisors (see below), whose sum is σ = 1682841600. Its totient is φ = 133781760.

The previous prime is 530907239. The next prime is 530907301. The reversal of 530907240 is 42709035.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 530907198 and 530907207.

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, 158301 + ... + 161619.

It is an arithmetic number, because the mean of its divisors is an integer number (13147200).

Almost surely, 2530907240 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 530907240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841420800).

530907240 is an abundant number, since it is smaller than the sum of its proper divisors (1151934360).

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

530907240 is a wasteful number, since it uses less digits than its factorization.

530907240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 530907240 is about 23041.4244351342. The cubic root of 530907240 is about 809.7287309881.

The spelling of 530907240 in words is "five hundred thirty million, nine hundred seven thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 43 60 62 86 93 120 124 129 155 172 186 215 248 258 310 344 372 430 465 516 620 645 744 860 930 1032 1240 1290 1333 1720 1860 2580 2666 3319 3720 3999 5160 5332 6638 6665 7998 9957 10664 13276 13330 15996 16595 19914 19995 26552 26660 31992 33190 39828 39990 49785 53320 66380 79656 79980 99570 102889 132760 142717 159960 199140 205778 285434 308667 398280 411556 428151 514445 570868 617334 713585 823112 856302 1028890 1141736 1234668 1427170 1543335 1712604 2057780 2140755 2469336 2854340 3086670 3425208 4115560 4281510 4424227 5708680 6173340 8563020 8848454 12346680 13272681 17126040 17696908 22121135 26545362 35393816 44242270 53090724 66363405 88484540 106181448 132726810 176969080 265453620 530907240