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11542993 = 711149909
BaseRepresentation
bin101100000010…
…000111010001
3210201110000021
4230002013101
510423333433
61051223441
7200054020
oct54020721
923643007
1011542993
116574470
123a47b81
132511c97
1417668b7
15103022d
hexb021d1

11542993 has 8 divisors (see below), whose sum is σ = 14391360. Its totient is φ = 8994480.

The previous prime is 11542939. The next prime is 11542997. The reversal of 11542993 is 39924511.

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

It is not a de Polignac number, because 11542993 - 213 = 11534801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11542997) 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, 74878 + ... + 75031.

It is an arithmetic number, because the mean of its divisors is an integer number (1798920).

Almost surely, 211542993 is an apocalyptic number.

It is an amenable number.

11542993 is a deficient number, since it is larger than the sum of its proper divisors (2848367).

11542993 is a wasteful number, since it uses less digits than its factorization.

11542993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149927.

The product of its digits is 9720, while the sum is 34.

The square root of 11542993 is about 3397.4980500362. The cubic root of 11542993 is about 225.9988056950.

The spelling of 11542993 in words is "eleven million, five hundred forty-two thousand, nine hundred ninety-three".

Divisors: 1 7 11 77 149909 1049363 1648999 11542993