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109862545 = 5131690193
BaseRepresentation
bin1101000110001…
…01111010010001
321122201121002011
412203011322101
5211111100140
614522422521
72502546652
oct643057221
9248647064
10109862545
11570183a1
1230961a41
13199b7930
141083b529
1599a1cea
hex68c5e91

109862545 has 8 divisors (see below), whose sum is σ = 141976296. Its totient is φ = 81129216.

The previous prime is 109862537. The next prime is 109862561. The reversal of 109862545 is 545268901.

It can be written as a sum of positive squares in 4 ways, for example, as 9381969 + 100480576 = 3063^2 + 10024^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 109862545 - 23 = 109862537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109862498 and 109862507.

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 in 7 ways as a sum of consecutive naturals, for example, 845032 + ... + 845161.

It is an arithmetic number, because the mean of its divisors is an integer number (17747037).

Almost surely, 2109862545 is an apocalyptic number.

It is an amenable number.

109862545 is a deficient number, since it is larger than the sum of its proper divisors (32113751).

109862545 is a wasteful number, since it uses less digits than its factorization.

109862545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690211.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 109862545 is about 10481.5335232971. The cubic root of 109862545 is about 478.9423253621.

It can be divided in two parts, 10986 and 2545, that added together give a palindrome (13531).

The spelling of 109862545 in words is "one hundred nine million, eight hundred sixty-two thousand, five hundred forty-five".

Divisors: 1 5 13 65 1690193 8450965 21972509 109862545