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379288141 = 1732192417
BaseRepresentation
bin10110100110110…
…111101001001101
3222102200211111221
4112212313221031
51234044210031
6101345243341
712253616221
oct2646675115
9872624457
10379288141
11185109881
12a7033551
136076c16b
1438532781
1523471a11
hex169b7a4d

379288141 has 4 divisors (see below), whose sum is σ = 381480732. Its totient is φ = 377095552.

The previous prime is 379288121. The next prime is 379288157. The reversal of 379288141 is 141882973.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 141882973 = 791795987.

It can be written as a sum of positive squares in 2 ways, for example, as 322058916 + 57229225 = 17946^2 + 7565^2 .

It is a cyclic number.

It is not a de Polignac number, because 379288141 - 211 = 379286093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379288111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096036 + ... + 1096381.

It is an arithmetic number, because the mean of its divisors is an integer number (95370183).

Almost surely, 2379288141 is an apocalyptic number.

It is an amenable number.

379288141 is a deficient number, since it is larger than the sum of its proper divisors (2192591).

379288141 is a wasteful number, since it uses less digits than its factorization.

379288141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192590.

The product of its digits is 96768, while the sum is 43.

The square root of 379288141 is about 19475.3213323940. The cubic root of 379288141 is about 723.8630716139.

The spelling of 379288141 in words is "three hundred seventy-nine million, two hundred eighty-eight thousand, one hundred forty-one".

Divisors: 1 173 2192417 379288141