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4919145 = 357114259
BaseRepresentation
bin10010110000111101101001
3100020220210120
4102300331221
52224403040
6253233453
756545350
oct22607551
910226716
104919145
11285a910
121792889
13103304a
14920997
156727d0
hex4b0f69

4919145 has 32 divisors (see below), whose sum is σ = 9815040. Its totient is φ = 2043840.

The previous prime is 4919143. The next prime is 4919147. The reversal of 4919145 is 5419194.

4919145 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4919143) and next prime (4919147).

It is not a de Polignac number, because 4919145 - 21 = 4919143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (4919143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 975 + ... + 3284.

It is an arithmetic number, because the mean of its divisors is an integer number (306720).

Almost surely, 24919145 is an apocalyptic number.

It is an amenable number.

4919145 is a deficient number, since it is larger than the sum of its proper divisors (4895895).

4919145 is a wasteful number, since it uses less digits than its factorization.

4919145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285.

The product of its digits is 6480, while the sum is 33.

The square root of 4919145 is about 2217.9145610235. The cubic root of 4919145 is about 170.0708470565.

The spelling of 4919145 in words is "four million, nine hundred nineteen thousand, one hundred forty-five".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 105 165 231 385 1155 4259 12777 21295 29813 46849 63885 89439 140547 149065 234245 327943 447195 702735 983829 1639715 4919145