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5152971 = 31990403
BaseRepresentation
bin10011101010000011001011
3100200210112210
4103222003023
52304343341
6302240203
761541145
oct23520313
910623483
105152971
1129aa55a
121886063
1310b55c5
14981c95
156bbc16
hex4ea0cb

5152971 has 8 divisors (see below), whose sum is σ = 7232320. Its totient is φ = 3254472.

The previous prime is 5152957. The next prime is 5152993. The reversal of 5152971 is 1792515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5152971 - 27 = 5152843 is a prime.

It is a super-2 number, since 2×51529712 = 53106220253682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5152471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45145 + ... + 45258.

It is an arithmetic number, because the mean of its divisors is an integer number (904040).

Almost surely, 25152971 is an apocalyptic number.

5152971 is a deficient number, since it is larger than the sum of its proper divisors (2079349).

5152971 is a wasteful number, since it uses less digits than its factorization.

5152971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90425.

The product of its digits is 3150, while the sum is 30.

The square root of 5152971 is about 2270.0156387126. The cubic root of 5152971 is about 172.7239519298.

It can be divided in two parts, 515 and 2971, that added together give a triangular number (3486 = T83).

The spelling of 5152971 in words is "five million, one hundred fifty-two thousand, nine hundred seventy-one".

Divisors: 1 3 19 57 90403 271209 1717657 5152971