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70208264 = 23710711717
BaseRepresentation
bin1000010111101…
…00101100001000
311220002221122002
410023310230020
5120433131024
610544450132
71511521550
oct413645410
9156087562
1070208264
11366a3565
121b619948
1311712569
149478160
15626c6ae
hex42f4b08

70208264 has 32 divisors (see below), whose sum is σ = 151865280. Its totient is φ = 29805504.

The previous prime is 70208251. The next prime is 70208269. The reversal of 70208264 is 46280207.

It is not an unprimeable number, because it can be changed into a prime (70208269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134 + ... + 11850.

It is an arithmetic number, because the mean of its divisors is an integer number (4745790).

Almost surely, 270208264 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 70208264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75932640).

70208264 is an abundant number, since it is smaller than the sum of its proper divisors (81657016).

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

70208264 is a wasteful number, since it uses less digits than its factorization.

70208264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11837 (or 11833 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 70208264 is about 8379.0371761915. The cubic root of 70208264 is about 412.5368469075.

The spelling of 70208264 in words is "seventy million, two hundred eight thousand, two hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 107 214 428 749 856 1498 2996 5992 11717 23434 46868 82019 93736 164038 328076 656152 1253719 2507438 5014876 8776033 10029752 17552066 35104132 70208264