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5197871 = 72374761
BaseRepresentation
bin10011110101000000101111
3100210002010202
4103311000233
52312312441
6303224115
762116100
oct23650057
910702122
105197871
112a30268
1218a803b
1310ccb83
149943a7
156ca19b
hex4f502f

5197871 has 24 divisors (see below), whose sum is σ = 6446016. Its totient is φ = 4173120.

The previous prime is 5197853. The next prime is 5197877. The reversal of 5197871 is 1787915.

It is a de Polignac number, because none of the positive numbers 2k-5197871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5197877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85181 + ... + 85241.

It is an arithmetic number, because the mean of its divisors is an integer number (268584).

Almost surely, 25197871 is an apocalyptic number.

5197871 is a deficient number, since it is larger than the sum of its proper divisors (1248145).

5197871 is a wasteful number, since it uses less digits than its factorization.

5197871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 152 counting only the distinct ones).

The product of its digits is 17640, while the sum is 38.

The square root of 5197871 is about 2279.8839882766. The cubic root of 5197871 is about 173.2241739553.

The spelling of 5197871 in words is "five million, one hundred ninety-seven thousand, eight hundred seventy-one".

Divisors: 1 7 37 47 49 61 259 329 427 1739 1813 2257 2303 2867 2989 12173 15799 20069 85211 106079 110593 140483 742553 5197871