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5147953 = 31166063
BaseRepresentation
bin10011101000110100110001
3100200112122221
4103220310301
52304213303
6302201041
761520416
oct23506461
910615587
105147953
1129a6808
121883181
1310b3235
1498010d
156ba4bd
hex4e8d31

5147953 has 4 divisors (see below), whose sum is σ = 5314048. Its totient is φ = 4981860.

The previous prime is 5147951. The next prime is 5147959. The reversal of 5147953 is 3597415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3597415 = 5719483.

It is a cyclic number.

It is not a de Polignac number, because 5147953 - 21 = 5147951 is a prime.

It is a Duffinian number.

5147953 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5147951) 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 3 ways as a sum of consecutive naturals, for example, 83001 + ... + 83062.

It is an arithmetic number, because the mean of its divisors is an integer number (1328512).

Almost surely, 25147953 is an apocalyptic number.

It is an amenable number.

5147953 is a deficient number, since it is larger than the sum of its proper divisors (166095).

5147953 is a wasteful number, since it uses less digits than its factorization.

5147953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166094.

The product of its digits is 18900, while the sum is 34.

The square root of 5147953 is about 2268.9100907705. The cubic root of 5147953 is about 172.6678671142.

The spelling of 5147953 in words is "five million, one hundred forty-seven thousand, nine hundred fifty-three".

Divisors: 1 31 166063 5147953