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11345157 = 33420191
BaseRepresentation
bin101011010001…
…110100000101
3210100101122000
4223101310011
510401021112
61043055513
7165301155
oct53216405
923311560
1011345157
11644986a
123971599
132472c15
141714765
15ee17dc
hexad1d05

11345157 has 8 divisors (see below), whose sum is σ = 16807680. Its totient is φ = 7563420.

The previous prime is 11345153. The next prime is 11345179. The reversal of 11345157 is 75154311.

It is not a de Polignac number, because 11345157 - 22 = 11345153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 420191 = 11345157 / (1 + 1 + 3 + 4 + 5 + 1 + 5 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 11345157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11345153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210069 + ... + 210122.

It is an arithmetic number, because the mean of its divisors is an integer number (2100960).

Almost surely, 211345157 is an apocalyptic number.

It is an amenable number.

11345157 is a deficient number, since it is larger than the sum of its proper divisors (5462523).

11345157 is an equidigital number, since it uses as much as digits as its factorization.

11345157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420200 (or 420194 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 11345157 is about 3368.2572645212. The cubic root of 11345157 is about 224.7002229940.

Adding to 11345157 its reverse (75154311), we get a palindrome (86499468).

The spelling of 11345157 in words is "eleven million, three hundred forty-five thousand, one hundred fifty-seven".

Divisors: 1 3 9 27 420191 1260573 3781719 11345157