Search a number
-
+
427701387 = 3401355529
BaseRepresentation
bin11001011111100…
…011010010001011
31002210210111000010
4121133203102023
51333442421022
6110235043003
713412254551
oct3137432213
91083714003
10427701387
111aa476423
12bb2a0463
136a7c0259
1440b35bd1
152783650c
hex197e348b

427701387 has 8 divisors (see below), whose sum is σ = 571692240. Its totient is φ = 284422400.

The previous prime is 427701377. The next prime is 427701397. The reversal of 427701387 is 783107724.

It is an interprime number because it is at equal distance from previous prime (427701377) and next prime (427701397).

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 427701387 - 223 = 419312779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (427701377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176562 + ... + 178967.

It is an arithmetic number, because the mean of its divisors is an integer number (71461530).

Almost surely, 2427701387 is an apocalyptic number.

427701387 is a deficient number, since it is larger than the sum of its proper divisors (143990853).

427701387 is a wasteful number, since it uses less digits than its factorization.

427701387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355933.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 427701387 is about 20680.9426042432. The cubic root of 427701387 is about 753.4369000110.

The spelling of 427701387 in words is "four hundred twenty-seven million, seven hundred one thousand, three hundred eighty-seven".

Divisors: 1 3 401 1203 355529 1066587 142567129 427701387