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11916145 = 54750707
BaseRepresentation
bin101101011101…
…001101110001
3211102101212201
4231131031301
511022304040
61103223201
7203166643
oct55351561
924371781
1011916145
1167a985a
123ba7b01
132612a97
141822893
1510a5a9a
hexb5d371

11916145 has 8 divisors (see below), whose sum is σ = 14603904. Its totient is φ = 9329904.

The previous prime is 11916137. The next prime is 11916161. The reversal of 11916145 is 54161911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11916145 - 23 = 11916137 is a prime.

It is a super-2 number, since 2×119161452 = 283989023322050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25119 + ... + 25588.

It is an arithmetic number, because the mean of its divisors is an integer number (1825488).

Almost surely, 211916145 is an apocalyptic number.

It is an amenable number.

11916145 is a deficient number, since it is larger than the sum of its proper divisors (2687759).

11916145 is an equidigital number, since it uses as much as digits as its factorization.

11916145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50759.

The product of its digits is 1080, while the sum is 28.

The square root of 11916145 is about 3451.9769697957. The cubic root of 11916145 is about 228.4083236498.

The spelling of 11916145 in words is "eleven million, nine hundred sixteen thousand, one hundred forty-five".

Divisors: 1 5 47 235 50707 253535 2383229 11916145