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82994340 = 2235111317569
BaseRepresentation
bin1001111001001…
…10010010100100
312210011112211110
410330212102210
5132221304330
612122505020
72025304002
oct474462244
9183145743
1082994340
1142936970
1223965170
131426b2a0
14b045a72
157445db0
hex4f264a4

82994340 has 192 divisors, whose sum is σ = 289578240. Its totient is φ = 17448960.

The previous prime is 82994333. The next prime is 82994371. The reversal of 82994340 is 4349928.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145576 + ... + 146144.

It is an arithmetic number, because the mean of its divisors is an integer number (1508220).

Almost surely, 282994340 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 82994340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144789120).

82994340 is an abundant number, since it is smaller than the sum of its proper divisors (206583900).

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

82994340 is a wasteful number, since it uses less digits than its factorization.

82994340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 82994340 is about 9110.1229409926. The cubic root of 82994340 is about 436.1971515305.

The spelling of 82994340 in words is "eighty-two million, nine hundred ninety-four thousand, three hundred forty".