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5149788 = 2237101607
BaseRepresentation
bin10011101001010001011100
3100200122011220
4103221101130
52304243123
6302213340
761525650
oct23512134
910618156
105149788
1129a8126
121884250
1310b4017
14980a60
156bace3
hex4e945c

5149788 has 48 divisors (see below), whose sum is σ = 13891584. Its totient is φ = 1454400.

The previous prime is 5149783. The next prime is 5149801. The reversal of 5149788 is 8879415.

It is a Harshad number since it is a multiple of its sum of digits (42).

Its product of digits (80640) is a multiple of the sum of its prime divisors (720).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5149783) 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 15 ways as a sum of consecutive naturals, for example, 8181 + ... + 8787.

It is an arithmetic number, because the mean of its divisors is an integer number (289408).

Almost surely, 25149788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5149788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6945792).

5149788 is an abundant number, since it is smaller than the sum of its proper divisors (8741796).

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

5149788 is a wasteful number, since it uses less digits than its factorization.

5149788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722 (or 720 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 5149788 is about 2269.3144339205. The cubic root of 5149788 is about 172.6883806333.

The spelling of 5149788 in words is "five million, one hundred forty-nine thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 101 202 303 404 606 607 707 1212 1214 1414 1821 2121 2428 2828 3642 4242 4249 7284 8484 8498 12747 16996 25494 50988 61307 122614 183921 245228 367842 429149 735684 858298 1287447 1716596 2574894 5149788