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97100 = 2252971
BaseRepresentation
bin10111101101001100
311221012022
4113231030
511101400
62025312
7553043
oct275514
9157168
1097100
1166a53
1248238
1335273
142755a
151db85
hex17b4c

97100 has 18 divisors (see below), whose sum is σ = 210924. Its totient is φ = 38800.

The previous prime is 97081. The next prime is 97103. The reversal of 97100 is 179.

It is a nialpdrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 97100.

It is not an unprimeable number, because it can be changed into a prime (97103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 386 + ... + 585.

It is an arithmetic number, because the mean of its divisors is an integer number (11718).

297100 is an apocalyptic number.

It is an amenable number.

97100 is an abundant number, since it is smaller than the sum of its proper divisors (113824).

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

97100 is a wasteful number, since it uses less digits than its factorization.

97100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 97100 is about 311.6087290177. The cubic root of 97100 is about 45.9627928494.

Adding to 97100 its reverse (179), we get a palindrome (97279).

The spelling of 97100 in words is "ninety-seven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 971 1942 3884 4855 9710 19420 24275 48550 97100