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108894242 = 254447121
BaseRepresentation
bin1100111110110…
…01100000100010
321120220101211002
412133121200202
5210334103432
614445552002
72461404632
oct637314042
9246811732
10108894242
1156516946
1230575602
1319738c82
14106686c2
15985ee62
hex67d9822

108894242 has 4 divisors (see below), whose sum is σ = 163341366. Its totient is φ = 54447120.

The previous prime is 108894239. The next prime is 108894271. The reversal of 108894242 is 242498801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242498801 = 435639507.

It can be written as a sum of positive squares in only one way, i.e., 105657841 + 3236401 = 10279^2 + 1799^2 .

It is a super-4 number, since 4×1088942424 (a number of 33 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108894196 and 108894205.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 27223559 + ... + 27223562.

Almost surely, 2108894242 is an apocalyptic number.

108894242 is a deficient number, since it is larger than the sum of its proper divisors (54447124).

108894242 is an equidigital number, since it uses as much as digits as its factorization.

108894242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54447123.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 108894242 is about 10435.2403901396. The cubic root of 108894242 is about 477.5310755248.

The spelling of 108894242 in words is "one hundred eight million, eight hundred ninety-four thousand, two hundred forty-two".

Divisors: 1 2 54447121 108894242