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11532830 = 251398297
BaseRepresentation
bin101011111111…
…101000011110
3210200221001212
4223333220132
510423022310
61051104422
7200012261
oct53775036
923627055
1011532830
116567871
123a42112
13250a47a
141762cd8
15102c205
hexaffa1e

11532830 has 16 divisors (see below), whose sum is σ = 20910960. Its totient is φ = 4579392.

The previous prime is 11532823. The next prime is 11532839. The reversal of 11532830 is 3823511.

It is a junction number, because it is equal to n+sod(n) for n = 11532796 and 11532805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11532839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2759 + ... + 5538.

It is an arithmetic number, because the mean of its divisors is an integer number (1306935).

Almost surely, 211532830 is an apocalyptic number.

11532830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11532830 is a deficient number, since it is larger than the sum of its proper divisors (9378130).

11532830 is a wasteful number, since it uses less digits than its factorization.

11532830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8443.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 11532830 is about 3396.0020612479. The cubic root of 11532830 is about 225.9324595209.

The spelling of 11532830 in words is "eleven million, five hundred thirty-two thousand, eight hundred thirty".

Divisors: 1 2 5 10 139 278 695 1390 8297 16594 41485 82970 1153283 2306566 5766415 11532830