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106953281 = 791353839
BaseRepresentation
bin1100101111111…
…11101001000001
321110020210022122
412113333221001
5204340001111
614340214025
72436042101
oct627775101
9243223278
10106953281
1155410646
122b99a315
1319209686
14102c1201
1595c9cdb
hex65ffa41

106953281 has 4 divisors (see below), whose sum is σ = 108307200. Its totient is φ = 105599364.

The previous prime is 106953277. The next prime is 106953283. The reversal of 106953281 is 182359601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 182359601 = 355951239.

It is a cyclic number.

It is not a de Polignac number, because 106953281 - 22 = 106953277 is a prime.

It is a super-2 number, since 2×1069532812 = 22878008633329922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106953283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676841 + ... + 676998.

It is an arithmetic number, because the mean of its divisors is an integer number (27076800).

Almost surely, 2106953281 is an apocalyptic number.

It is an amenable number.

106953281 is a deficient number, since it is larger than the sum of its proper divisors (1353919).

106953281 is an equidigital number, since it uses as much as digits as its factorization.

106953281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353918.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 106953281 is about 10341.8219381306. The cubic root of 106953281 is about 474.6768342934.

The spelling of 106953281 in words is "one hundred six million, nine hundred fifty-three thousand, two hundred eighty-one".

Divisors: 1 79 1353839 106953281