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2149530 = 235137523
BaseRepresentation
bin1000001100110010011010
311001012121020
420030302122
51022241110
6114023310
724161565
oct10146232
94035536
102149530
111238a79
12877b36
135a3516
143dd4dc
152c6d70
hex20cc9a

2149530 has 32 divisors (see below), whose sum is σ = 5206464. Its totient is φ = 567936.

The previous prime is 2149517. The next prime is 2149559. The reversal of 2149530 is 359412.

It is a d-powerful number, because it can be written as 217 + 1 + 46 + 95 + 59 + 37 + 0 .

It is a self number, because there is not a number n which added to its sum of digits gives 2149530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3849 + ... + 4371.

It is an arithmetic number, because the mean of its divisors is an integer number (162702).

22149530 is an apocalyptic number.

2149530 is an abundant number, since it is smaller than the sum of its proper divisors (3056934).

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

2149530 is a wasteful number, since it uses less digits than its factorization.

2149530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2149530 is about 1466.1275524319. The cubic root of 2149530 is about 129.0568825517.

The spelling of 2149530 in words is "two million, one hundred forty-nine thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 137 274 411 523 685 822 1046 1370 1569 2055 2615 3138 4110 5230 7845 15690 71651 143302 214953 358255 429906 716510 1074765 2149530