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2620197 = 32347839
BaseRepresentation
bin1001111111101100100101
311221010020100
421333230211
51132321242
6132054313
731162026
oct11775445
94833210
102620197
11152a658
12a64399
13709818
144c2c4d
1536b54c
hex27fb25

2620197 has 12 divisors (see below), whose sum is σ = 3800160. Its totient is φ = 1739688.

The previous prime is 2620181. The next prime is 2620199. The reversal of 2620197 is 7910262.

It is not a de Polignac number, because 2620197 - 24 = 2620181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2620197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2704 + ... + 3542.

It is an arithmetic number, because the mean of its divisors is an integer number (316680).

22620197 is an apocalyptic number.

It is an amenable number.

2620197 is a deficient number, since it is larger than the sum of its proper divisors (1179963).

2620197 is a wasteful number, since it uses less digits than its factorization.

2620197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2620197 is about 1618.7022579832. The cubic root of 2620197 is about 137.8620234034.

The spelling of 2620197 in words is "two million, six hundred twenty thousand, one hundred ninety-seven".

Divisors: 1 3 9 347 839 1041 2517 3123 7551 291133 873399 2620197