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97620 = 22351627
BaseRepresentation
bin10111110101010100
311221220120
4113311110
511110440
62031540
7554415
oct276524
9157816
1097620
1167386
12485b0
1335583
142780c
151ddd0
hex17d54

97620 has 24 divisors (see below), whose sum is σ = 273504. Its totient is φ = 26016.

The previous prime is 97613. The next prime is 97649. The reversal of 97620 is 2679.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

97620 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, 754 + ... + 873.

It is an arithmetic number, because the mean of its divisors is an integer number (11396).

297620 is an apocalyptic number.

It is an amenable number.

97620 is an abundant number, since it is smaller than the sum of its proper divisors (175884).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136752).

97620 is a wasteful number, since it uses less digits than its factorization.

97620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639 (or 1637 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 97620 is about 312.4419946166. The cubic root of 97620 is about 46.0446950591.

It can be divided in two parts, 97 and 620, that added together give a palindrome (717).

The spelling of 97620 in words is "ninety-seven thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1627 3254 4881 6508 8135 9762 16270 19524 24405 32540 48810 97620