[go: up one dir, main page]

Search a number
-
+
70190208 = 27321129191
BaseRepresentation
bin1000010111100…
…00010010000000
311220002000212100
410023300102000
5120432041313
610544230400
71511415114
oct413602200
9156060770
1070190208
1136690a40
121b60b400
131170728a
149471744
156267173
hex42f0480

70190208 has 192 divisors, whose sum is σ = 229132800. Its totient is φ = 20428800.

The previous prime is 70190207. The next prime is 70190209. The reversal of 70190208 is 80209107.

It is an interprime number because it is at equal distance from previous prime (70190207) and next prime (70190209).

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70190207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367393 + ... + 367583.

It is an arithmetic number, because the mean of its divisors is an integer number (1193400).

Almost surely, 270190208 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 70190208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114566400).

70190208 is an abundant number, since it is smaller than the sum of its proper divisors (158942592).

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

70190208 is a wasteful number, since it uses less digits than its factorization.

70190208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 70190208 is about 8377.9596561454. The cubic root of 70190208 is about 412.5014787826.

It can be divided in two parts, 701 and 90208, that added together give a palindrome (90909).

The spelling of 70190208 in words is "seventy million, one hundred ninety thousand, two hundred eight".