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300149028 = 223241203353
BaseRepresentation
bin10001111000111…
…110100100100100
3202220210011001200
4101320332210210
51103314232103
645441122500
710303140024
oct2170764444
9686704050
10300149028
11144476453
1284629430
134a25089a
142bc11a84
151b53d0a3
hex11e3e924

300149028 has 36 divisors (see below), whose sum is σ = 777218988. Its totient is φ = 97608960.

The previous prime is 300149009. The next prime is 300149033. The reversal of 300149028 is 820941003.

It can be written as a sum of positive squares in 2 ways, for example, as 12236004 + 287913024 = 3498^2 + 16968^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 300148992 and 300149010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100201 + ... + 103152.

Almost surely, 2300149028 is an apocalyptic number.

It is an amenable number.

300149028 is an abundant number, since it is smaller than the sum of its proper divisors (477069960).

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

300149028 is a wasteful number, since it uses less digits than its factorization.

300149028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203404 (or 203399 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 300149028 is about 17324.8096093435. The cubic root of 300149028 is about 669.5437809028.

The spelling of 300149028 in words is "three hundred million, one hundred forty-nine thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 41 82 123 164 246 369 492 738 1476 203353 406706 610059 813412 1220118 1830177 2440236 3660354 7320708 8337473 16674946 25012419 33349892 50024838 75037257 100049676 150074514 300149028