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38555045 = 57711009
BaseRepresentation
bin1001001100010…
…0110110100101
32200112210120122
42103010312211
534332230140
63454211325
7645466244
oct223046645
980483518
1038555045
111a843a81
1210ab3b45
137cabc49
14519895b
1535b8ab5
hex24c4da5

38555045 has 4 divisors (see below), whose sum is σ = 46266060. Its totient is φ = 30844032.

The previous prime is 38555029. The next prime is 38555051. The reversal of 38555045 is 54055583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54055583 = 81166653.

It can be written as a sum of positive squares in 2 ways, for example, as 13535041 + 25020004 = 3679^2 + 5002^2 .

It is a cyclic number.

It is not a de Polignac number, because 38555045 - 24 = 38555029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38554996 and 38555014.

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, 3855500 + ... + 3855509.

It is an arithmetic number, because the mean of its divisors is an integer number (11566515).

Almost surely, 238555045 is an apocalyptic number.

It is an amenable number.

38555045 is a deficient number, since it is larger than the sum of its proper divisors (7711015).

38555045 is an equidigital number, since it uses as much as digits as its factorization.

38555045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711014.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 38555045 is about 6209.2708911755. The cubic root of 38555045 is about 337.8265189367.

The spelling of 38555045 in words is "thirty-eight million, five hundred fifty-five thousand, forty-five".

Divisors: 1 5 7711009 38555045