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11257330 = 257732203
BaseRepresentation
bin101010111100…
…010111110010
3210011221011011
4222330113302
510340213310
61041141134
7164454130
oct52742762
923157134
1011257330
116399887
12392a7aa
132441c56
1416d0750
15ec578a
hexabc5f2

11257330 has 32 divisors (see below), whose sum is σ = 23485824. Its totient is φ = 3805056.

The previous prime is 11257321. The next prime is 11257333. The reversal of 11257330 is 3375211.

It is not an unprimeable number, because it can be changed into a prime (11257333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4009 + ... + 6211.

It is an arithmetic number, because the mean of its divisors is an integer number (733932).

Almost surely, 211257330 is an apocalyptic number.

11257330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11257330 is an abundant number, since it is smaller than the sum of its proper divisors (12228494).

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

11257330 is a wasteful number, since it uses less digits than its factorization.

11257330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 11257330 is about 3355.1944802053. The cubic root of 11257330 is about 224.1188914984.

The spelling of 11257330 in words is "eleven million, two hundred fifty-seven thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 73 146 365 511 730 1022 2203 2555 4406 5110 11015 15421 22030 30842 77105 154210 160819 321638 804095 1125733 1608190 2251466 5628665 11257330