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380354563 = 2731139273
BaseRepresentation
bin10110101010111…
…100000000000011
3222111201000101001
4112222330000003
51234332321223
6101424152431
712265650301
oct2652740003
9874630331
10380354563
11185778016
12a7468717
1360a53694
143872d271
15235d29ad
hex16abc003

380354563 has 4 divisors (see below), whose sum is σ = 380496568. Its totient is φ = 380212560.

The previous prime is 380354551. The next prime is 380354567. The reversal of 380354563 is 365453083.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-380354563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380354567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66906 + ... + 72367.

It is an arithmetic number, because the mean of its divisors is an integer number (95124142).

Almost surely, 2380354563 is an apocalyptic number.

380354563 is a deficient number, since it is larger than the sum of its proper divisors (142005).

380354563 is a wasteful number, since it uses less digits than its factorization.

380354563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142004.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 380354563 is about 19502.6809182738. The cubic root of 380354563 is about 724.5408510936.

The spelling of 380354563 in words is "three hundred eighty million, three hundred fifty-four thousand, five hundred sixty-three".

Divisors: 1 2731 139273 380354563