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70314660 = 2232513151199
BaseRepresentation
bin1000011000011…
…10101010100100
311220022100120200
410030032222210
5121000032120
610551030500
71512444003
oct414165244
9156270520
1070314660
1136766499
121b66b430
131174bb10
1494a4c3a
15628de90
hex430eaa4

70314660 has 144 divisors (see below), whose sum is σ = 232377600. Its totient is φ = 17107200.

The previous prime is 70314659. The next prime is 70314667. The reversal of 70314660 is 6641307.

It is not an unprimeable number, because it can be changed into a prime (70314667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 353241 + ... + 353439.

Almost surely, 270314660 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 70314660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116188800).

70314660 is an abundant number, since it is smaller than the sum of its proper divisors (162062940).

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

70314660 is a wasteful number, since it uses less digits than its factorization.

70314660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 70314660 is about 8385.3837121506. The cubic root of 70314660 is about 412.7451325354.

Adding to 70314660 its reverse (6641307), we get a palindrome (76955967).

The spelling of 70314660 in words is "seventy million, three hundred fourteen thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 151 156 180 195 199 234 260 302 390 398 453 468 585 597 604 755 780 796 906 995 1170 1194 1359 1510 1791 1812 1963 1990 2265 2340 2388 2587 2718 2985 3020 3582 3926 3980 4530 5174 5436 5889 5970 6795 7164 7761 7852 8955 9060 9815 10348 11778 11940 12935 13590 15522 17667 17910 19630 23283 23556 25870 27180 29445 30049 31044 35334 35820 38805 39260 46566 51740 58890 60098 70668 77610 88335 90147 93132 116415 117780 120196 150245 155220 176670 180294 232830 270441 300490 353340 360588 390637 450735 465660 540882 600980 781274 901470 1081764 1171911 1352205 1562548 1802940 1953185 2343822 2704410 3515733 3906370 4687644 5408820 5859555 7031466 7812740 11719110 14062932 17578665 23438220 35157330 70314660