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70442262 = 23211359991
BaseRepresentation
bin1000011001011…
…01110100010110
311220112211121200
410030231310112
5121013123022
610553453330
71513515012
oct414556426
9156484550
1070442262
1136843350
121b711246
1311794c17
1494d9542
1562b6bac
hex432dd16

70442262 has 48 divisors (see below), whose sum is σ = 167132160. Its totient is φ = 21265200.

The previous prime is 70442257. The next prime is 70442287. The reversal of 70442262 is 26224407.

It is a happy number.

It is a super-2 number, since 2×704422622 = 9924224551353288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70587 + ... + 71577.

It is an arithmetic number, because the mean of its divisors is an integer number (3481920).

Almost surely, 270442262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70442262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83566080).

70442262 is an abundant number, since it is smaller than the sum of its proper divisors (96689898).

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

70442262 is a wasteful number, since it uses less digits than its factorization.

70442262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 70442262 is about 8392.9888597567. The cubic root of 70442262 is about 412.9946550753.

Adding to 70442262 its reverse (26224407), we get a palindrome (96666669).

The spelling of 70442262 in words is "seventy million, four hundred forty-two thousand, two hundred sixty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 359 718 991 1077 1982 2154 2973 3231 3949 5946 6462 7898 8919 10901 11847 17838 21802 23694 32703 35541 65406 71082 98109 196218 355769 711538 1067307 2134614 3201921 3913459 6403842 7826918 11740377 23480754 35221131 70442262