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70497360 = 24325179547
BaseRepresentation
bin1000011001110…
…11010001010000
311220122122012100
410030323101100
5121021403420
610555000400
71514134443
oct414732120
9156578170
1070497360
113688078a
121b739100
13117b401b
14951165a
1562c8190
hex433b450

70497360 has 120 divisors (see below), whose sum is σ = 238511520. Its totient is φ = 18660096.

The previous prime is 70497359. The next prime is 70497403. The reversal of 70497360 is 6379407.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 128607 + ... + 129153.

It is an arithmetic number, because the mean of its divisors is an integer number (1987596).

Almost surely, 270497360 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 70497360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119255760).

70497360 is an abundant number, since it is smaller than the sum of its proper divisors (168014160).

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

70497360 is a wasteful number, since it uses less digits than its factorization.

70497360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 70497360 is about 8396.2706006893. The cubic root of 70497360 is about 413.1023047002.

The spelling of 70497360 in words is "seventy million, four hundred ninety-seven thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 179 180 240 358 360 537 547 716 720 895 1074 1094 1432 1611 1641 1790 2148 2188 2685 2735 2864 3222 3282 3580 4296 4376 4923 5370 5470 6444 6564 7160 8055 8205 8592 8752 9846 10740 10940 12888 13128 14320 16110 16410 19692 21480 21880 24615 25776 26256 32220 32820 39384 42960 43760 49230 64440 65640 78768 97913 98460 128880 131280 195826 196920 293739 391652 393840 489565 587478 783304 881217 979130 1174956 1468695 1566608 1762434 1958260 2349912 2937390 3524868 3916520 4406085 4699824 5874780 7049736 7833040 8812170 11749560 14099472 17624340 23499120 35248680 70497360