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108420514 = 254210257
BaseRepresentation
bin1100111011001…
…01110110100010
321120000022222121
412131211312202
5210223424024
614431454454
72454362536
oct635456642
9246008877
10108420514
1156222a34
123038742a
1319601467
1410583bc6
1597b98e4
hex6765da2

108420514 has 4 divisors (see below), whose sum is σ = 162630774. Its totient is φ = 54210256.

The previous prime is 108420511. The next prime is 108420553. The reversal of 108420514 is 415024801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415024801 = 1034029367.

It can be written as a sum of positive squares in only one way, i.e., 60326289 + 48094225 = 7767^2 + 6935^2 .

It is not an unprimeable number, because it can be changed into a prime (108420511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27105127 + ... + 27105130.

Almost surely, 2108420514 is an apocalyptic number.

108420514 is a deficient number, since it is larger than the sum of its proper divisors (54210260).

108420514 is an equidigital number, since it uses as much as digits as its factorization.

108420514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54210259.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 108420514 is about 10412.5171788574. The cubic root of 108420514 is about 476.8375932450.

The spelling of 108420514 in words is "one hundred eight million, four hundred twenty thousand, five hundred fourteen".

Divisors: 1 2 54210257 108420514