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11971054 = 237161771
BaseRepresentation
bin101101101010…
…100111101110
3211112012012101
4231222213232
511031033204
61104325314
7203516014
oct55524756
924465171
1011971054
116837037
12401383a
132631a84
1418388b4
1510b6ea4
hexb6a9ee

11971054 has 8 divisors (see below), whose sum is σ = 18442008. Its totient is φ = 5823720.

The previous prime is 11971039. The next prime is 11971073. The reversal of 11971054 is 45017911.

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

It is a super-2 number, since 2×119710542 = 286612267741832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80812 + ... + 80959.

It is an arithmetic number, because the mean of its divisors is an integer number (2305251).

Almost surely, 211971054 is an apocalyptic number.

11971054 is a deficient number, since it is larger than the sum of its proper divisors (6470954).

11971054 is a wasteful number, since it uses less digits than its factorization.

11971054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161810.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 11971054 is about 3459.9210973662. The cubic root of 11971054 is about 228.7586175300.

Adding to 11971054 its reverse (45017911), we get a palindrome (56988965).

The spelling of 11971054 in words is "eleven million, nine hundred seventy-one thousand, fifty-four".

Divisors: 1 2 37 74 161771 323542 5985527 11971054