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70061208 = 23371947467
BaseRepresentation
bin1000010110100…
…00110010011000
311212211110220120
410023100302120
5120413424313
610541353240
71510340040
oct413206230
9155743816
1070061208
1136603028
121b568820
1311690649
14943a720
15623dd23
hex42d0c98

70061208 has 128 divisors (see below), whose sum is σ = 215654400. Its totient is φ = 18520704.

The previous prime is 70061207. The next prime is 70061219. The reversal of 70061208 is 80216007.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70061203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149791 + ... + 150257.

It is an arithmetic number, because the mean of its divisors is an integer number (1684800).

Almost surely, 270061208 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 70061208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107827200).

70061208 is an abundant number, since it is smaller than the sum of its proper divisors (145593192).

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

70061208 is a wasteful number, since it uses less digits than its factorization.

70061208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 70061208 is about 8370.2573437141. The cubic root of 70061208 is about 412.2486167152.

The spelling of 70061208 in words is "seventy million, sixty-one thousand, two hundred eight".