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82913670 = 23257373557
BaseRepresentation
bin1001111000100…
…10100110000110
312210000110011200
410330102212012
5132211214140
612121043330
72024516550
oct474224606
9183013150
1082913670
11428912a4
1223926546
1314240658
14b0244d0
15742c030
hex4f12986

82913670 has 96 divisors (see below), whose sum is σ = 253101888. Its totient is φ = 18434304.

The previous prime is 82913669. The next prime is 82913671. The reversal of 82913670 is 7631928.

82913670 is a `hidden beast` number, since 8 + 291 + 367 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (82913669) and next prime (82913671).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82913671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21532 + ... + 25088.

It is an arithmetic number, because the mean of its divisors is an integer number (2636478).

Almost surely, 282913670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82913670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126550944).

82913670 is an abundant number, since it is smaller than the sum of its proper divisors (170188218).

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

82913670 is a wasteful number, since it uses less digits than its factorization.

82913670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3614 (or 3611 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 82913670 is about 9105.6943722047. The cubic root of 82913670 is about 436.0557787123.

The spelling of 82913670 in words is "eighty-two million, nine hundred thirteen thousand, six hundred seventy".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 37 42 45 63 70 74 90 105 111 126 185 210 222 259 315 333 370 518 555 630 666 777 1110 1295 1554 1665 2331 2590 3330 3557 3885 4662 7114 7770 10671 11655 17785 21342 23310 24899 32013 35570 49798 53355 64026 74697 106710 124495 131609 149394 160065 224091 248990 263218 320130 373485 394827 448182 658045 746970 789654 921263 1120455 1184481 1316090 1842526 1974135 2240910 2368962 2763789 3948270 4606315 5527578 5922405 8291367 9212630 11844810 13818945 16582734 27637890 41456835 82913670