Search a number
-
+
1157101 = 11372843
BaseRepresentation
bin100011010011111101101
32011210020121
410122133231
5244011401
640444541
712556321
oct4323755
92153217
101157101
11720390
12479751
1331689a
14221981
1517cca1
hex11a7ed

1157101 has 8 divisors (see below), whose sum is σ = 1296864. Its totient is φ = 1023120.

The previous prime is 1157099. The next prime is 1157111. The reversal of 1157101 is 1017511.

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

It is a 2-Lehmer number, since φ(1157101) divides (1157101-1)2.

It is a cyclic number.

It is not a de Polignac number, because 1157101 - 21 = 1157099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015 + ... + 1828.

It is an arithmetic number, because the mean of its divisors is an integer number (162108).

21157101 is an apocalyptic number.

1157101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1157101 is a deficient number, since it is larger than the sum of its proper divisors (139763).

1157101 is a wasteful number, since it uses less digits than its factorization.

1157101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891.

The product of its (nonzero) digits is 35, while the sum is 16.

The square root of 1157101 is about 1075.6862925593. The cubic root of 1157101 is about 104.9841548274.

The spelling of 1157101 in words is "one million, one hundred fifty-seven thousand, one hundred one".

Divisors: 1 11 37 407 2843 31273 105191 1157101