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70068240 = 2434511983
BaseRepresentation
bin1000010110100…
…10100000010000
311212211211120000
410023102200100
5120414140430
610541450000
71510366404
oct413224020
9155754500
1070068240
1136608340
121b570900
13116938c8
14943d104
156240e60
hex42d2810

70068240 has 200 divisors, whose sum is σ = 265750848. Its totient is φ = 16968960.

The previous prime is 70068227. The next prime is 70068283. The reversal of 70068240 is 4286007.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70789 + ... + 71771.

Almost surely, 270068240 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 70068240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132875424).

70068240 is an abundant number, since it is smaller than the sum of its proper divisors (195682608).

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

70068240 is a wasteful number, since it uses less digits than its factorization.

70068240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 70068240 is about 8370.6773919439. The cubic root of 70068240 is about 412.2624086332.

The spelling of 70068240 in words is "seventy million, sixty-eight thousand, two hundred forty".