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5144976 = 243235729
BaseRepresentation
bin10011101000000110010000
3100200101120200
4103220012100
52304114401
6302135200
761505634
oct23500620
910611520
105144976
1129a4551
121881500
1310b1a85
1497cdc4
156b9686
hex4e8190

5144976 has 30 divisors (see below), whose sum is σ = 14399190. Its totient is φ = 1714944.

The previous prime is 5144963. The next prime is 5144981. The reversal of 5144976 is 6794415.

It can be written as a sum of positive squares in only one way, i.e., 2822400 + 2322576 = 1680^2 + 1524^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5144976.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17721 + ... + 18008.

It is an arithmetic number, because the mean of its divisors is an integer number (479973).

Almost surely, 25144976 is an apocalyptic number.

It is an amenable number.

5144976 is an abundant number, since it is smaller than the sum of its proper divisors (9254214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5144976 is a wasteful number, since it uses less digits than its factorization.

5144976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35743 (or 35734 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 5144976 is about 2268.2539540360. The cubic root of 5144976 is about 172.6345767715.

The spelling of 5144976 in words is "five million, one hundred forty-four thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 35729 71458 107187 142916 214374 285832 321561 428748 571664 643122 857496 1286244 1714992 2572488 5144976