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70616 = 2371397
BaseRepresentation
bin10001001111011000
310120212102
4101033120
54224431
61302532
7412610
oct211730
9116772
1070616
1149067
1234a48
13261b0
141ba40
1515dcb
hex113d8

70616 has 32 divisors (see below), whose sum is σ = 164640. Its totient is φ = 27648.

The previous prime is 70607. The next prime is 70619. The reversal of 70616 is 61607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70619) by changing a digit.

70616 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680 + ... + 776.

It is an arithmetic number, because the mean of its divisors is an integer number (5145).

270616 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 70616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82320).

70616 is an abundant number, since it is smaller than the sum of its proper divisors (94024).

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

70616 is a wasteful number, since it uses less digits than its factorization.

70616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 70616 is about 265.7367118032. The cubic root of 70616 is about 41.3333911434. Note that the first 4 decimals are identical.

Subtracting from 70616 its reverse (61607), we obtain a palindrome (9009).

It can be divided in two parts, 70 and 616, that added together give a palindrome (686).

The spelling of 70616 in words is "seventy thousand, six hundred sixteen".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 97 104 182 194 364 388 679 728 776 1261 1358 2522 2716 5044 5432 8827 10088 17654 35308 70616