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82798680 = 23354116829
BaseRepresentation
bin1001110111101…
…10100001011000
312202210121102210
410323312201120
5132144024210
612114355120
72023530366
oct473664130
9182717383
1082798680
1142812968
122388baa0
1314200203
14add4636
157407e20
hex4ef6858

82798680 has 64 divisors (see below), whose sum is σ = 254469600. Its totient is φ = 21539840.

The previous prime is 82798673. The next prime is 82798699. The reversal of 82798680 is 8689728.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3495 + ... + 13334.

Almost surely, 282798680 is an apocalyptic number.

It is an amenable number.

82798680 is an abundant number, since it is smaller than the sum of its proper divisors (171670920).

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

82798680 is a wasteful number, since it uses less digits than its factorization.

82798680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16884 (or 16880 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 82798680 is about 9099.3780007207. The cubic root of 82798680 is about 435.8541020690.

The spelling of 82798680 in words is "eighty-two million, seven hundred ninety-eight thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 41 60 82 120 123 164 205 246 328 410 492 615 820 984 1230 1640 2460 4920 16829 33658 50487 67316 84145 100974 134632 168290 201948 252435 336580 403896 504870 673160 689989 1009740 1379978 2019480 2069967 2759956 3449945 4139934 5519912 6899890 8279868 10349835 13799780 16559736 20699670 27599560 41399340 82798680