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97342220 = 2257961609
BaseRepresentation
bin1011100110101…
…01001100001100
320210011111102102
411303111030030
5144404422340
613354214232
72261252363
oct563251414
9223144372
1097342220
114aa46718
1228724378
1317222b61
14ccdc7da
15882c215
hex5cd530c

97342220 has 24 divisors (see below), whose sum is σ = 207009600. Its totient is φ = 38443392.

The previous prime is 97342213. The next prime is 97342229. The reversal of 97342220 is 2224379.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (97342229) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29225 + ... + 32384.

It is an arithmetic number, because the mean of its divisors is an integer number (8625400).

Almost surely, 297342220 is an apocalyptic number.

It is an amenable number.

97342220 is an abundant number, since it is smaller than the sum of its proper divisors (109667380).

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

97342220 is a wasteful number, since it uses less digits than its factorization.

97342220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61697 (or 61695 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 97342220 is about 9866.2160933156. The cubic root of 97342220 is about 460.0097981530.

Adding to 97342220 its reverse (2224379), we get a palindrome (99566599).

It can be divided in two parts, 97342 and 220, that multiplied together give a triangular number (21415240 = T6544).

The spelling of 97342220 in words is "ninety-seven million, three hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 61609 123218 246436 308045 616090 1232180 4867111 9734222 19468444 24335555 48671110 97342220