Search a number
-
+
427392001 = 502385087
BaseRepresentation
bin11001011110010…
…111110000000001
31002210012202121101
4121132113300001
51333403021001
6110224254401
713406525551
oct3136276001
91083182541
10427392001
111aa284a33
12bb171401
136a71249a
1440a95161
15277c4a01
hex19797c01

427392001 has 4 divisors (see below), whose sum is σ = 427482112. Its totient is φ = 427301892.

The previous prime is 427391999. The next prime is 427392029. The reversal of 427392001 is 100293724.

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.

It is a cyclic number.

It is not a de Polignac number, because 427392001 - 21 = 427391999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427392041) 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, 37521 + ... + 47566.

It is an arithmetic number, because the mean of its divisors is an integer number (106870528).

Almost surely, 2427392001 is an apocalyptic number.

It is an amenable number.

427392001 is a deficient number, since it is larger than the sum of its proper divisors (90111).

427392001 is an equidigital number, since it uses as much as digits as its factorization.

427392001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90110.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 427392001 is about 20673.4612728493. The cubic root of 427392001 is about 753.2551851784.

The spelling of 427392001 in words is "four hundred twenty-seven million, three hundred ninety-two thousand, one".

Divisors: 1 5023 85087 427392001