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3197997 = 321132303
BaseRepresentation
bin1100001100110000101101
320000110211100
430030300231
51304313442
6152313313
736116415
oct14146055
96013740
103197997
111894780
1210a2839
1387c80a
145d3645
1543284c
hex30cc2d

3197997 has 12 divisors (see below), whose sum is σ = 5039424. Its totient is φ = 1938120.

The previous prime is 3197983. The next prime is 3198007. The reversal of 3197997 is 7997913.

It is not a de Polignac number, because 3197997 - 212 = 3193901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3197497) 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, 16053 + ... + 16250.

It is an arithmetic number, because the mean of its divisors is an integer number (419952).

Almost surely, 23197997 is an apocalyptic number.

It is an amenable number.

3197997 is a deficient number, since it is larger than the sum of its proper divisors (1841427).

3197997 is a wasteful number, since it uses less digits than its factorization.

3197997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32320 (or 32317 counting only the distinct ones).

The product of its digits is 107163, while the sum is 45.

The square root of 3197997 is about 1788.2944388439. The cubic root of 3197997 is about 147.3305072154.

The spelling of 3197997 in words is "three million, one hundred ninety-seven thousand, nine hundred ninety-seven".

Divisors: 1 3 9 11 33 99 32303 96909 290727 355333 1065999 3197997