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11345145 = 357167647
BaseRepresentation
bin101011010001…
…110011111001
3210100101121120
4223101303321
510401021040
61043055453
7165301140
oct53216371
923311546
1011345145
116449859
123971589
132472c06
141714757
15ee17d0
hexad1cf9

11345145 has 32 divisors (see below), whose sum is σ = 20901888. Its totient is φ = 5147328.

The previous prime is 11345143. The next prime is 11345153. The reversal of 11345145 is 54154311.

It is a happy number.

It is not a de Polignac number, because 11345145 - 21 = 11345143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11345143) 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, 17212 + ... + 17858.

It is an arithmetic number, because the mean of its divisors is an integer number (653184).

Almost surely, 211345145 is an apocalyptic number.

11345145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11345145 is a deficient number, since it is larger than the sum of its proper divisors (9556743).

11345145 is a wasteful number, since it uses less digits than its factorization.

11345145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its digits is 1200, while the sum is 24.

The square root of 11345145 is about 3368.2554831841. The cubic root of 11345145 is about 224.7001437707.

Adding to 11345145 its reverse (54154311), we get a palindrome (65499456).

The spelling of 11345145 in words is "eleven million, three hundred forty-five thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 167 501 647 835 1169 1941 2505 3235 3507 4529 5845 9705 13587 17535 22645 67935 108049 324147 540245 756343 1620735 2269029 3781715 11345145