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4203997 = 71973433
BaseRepresentation
bin10000000010010111011101
321220120210121
4100002113131
52034011442
6230034541
750506360
oct20022735
97816717
104203997
112411586
1214a8a51
13b42695
147b60d7
15580967
hex4025dd

4203997 has 16 divisors (see below), whose sum is σ = 5138560. Its totient is φ = 3359232.

The previous prime is 4203973. The next prime is 4204001. The reversal of 4203997 is 7993024.

It is a 8-Lehmer number, since φ(4203997) divides (4203997-1)8.

It is a cyclic number.

It is not a de Polignac number, because 4203997 - 215 = 4171229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4203967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9493 + ... + 9925.

It is an arithmetic number, because the mean of its divisors is an integer number (321160).

Almost surely, 24203997 is an apocalyptic number.

It is an amenable number.

4203997 is a deficient number, since it is larger than the sum of its proper divisors (934563).

4203997 is a wasteful number, since it uses less digits than its factorization.

4203997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 4203997 is about 2050.3650894414. The cubic root of 4203997 is about 161.3940299172.

The spelling of 4203997 in words is "four million, two hundred three thousand, nine hundred ninety-seven".

Divisors: 1 7 19 73 133 433 511 1387 3031 8227 9709 31609 57589 221263 600571 4203997