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378348573 = 3126116191
BaseRepresentation
bin10110100011010…
…010010000011101
3222100221002200010
4112203102100131
51233324123243
6101313153433
712242624031
oct2643222035
9870832603
10378348573
11184627979
12a685b879
13605005c5
143836a1c1
1523338433
hex168d241d

378348573 has 4 divisors (see below), whose sum is σ = 504464768. Its totient is φ = 252232380.

The previous prime is 378348559. The next prime is 378348589. The reversal of 378348573 is 375843873.

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: 375843873 = 3125281291.

It is not a de Polignac number, because 378348573 - 28 = 378348317 is a prime.

It is a super-2 number, since 2×3783485732 = 286295285382272658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378347573) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 63058093 + ... + 63058098.

It is an arithmetic number, because the mean of its divisors is an integer number (126116192).

Almost surely, 2378348573 is an apocalyptic number.

It is an amenable number.

378348573 is a deficient number, since it is larger than the sum of its proper divisors (126116195).

378348573 is a wasteful number, since it uses less digits than its factorization.

378348573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126116194.

The product of its digits is 1693440, while the sum is 48.

The square root of 378348573 is about 19451.1843598276. The cubic root of 378348573 is about 723.2648624313.

The spelling of 378348573 in words is "three hundred seventy-eight million, three hundred forty-eight thousand, five hundred seventy-three".

Divisors: 1 3 126116191 378348573