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1427970 = 23547599
BaseRepresentation
bin101011100101000000010
32200112210210
411130220002
5331143340
650334550
715065115
oct5345002
92615723
101427970
11895945
1258a456
133acc6b
1429257c
151d3180
hex15ca02

1427970 has 16 divisors (see below), whose sum is σ = 3427200. Its totient is φ = 380784.

The previous prime is 1427969. The next prime is 1427999. The reversal of 1427970 is 797241.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 47599 = 1427970 / (1 + 4 + 2 + 7 + 9 + 7 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23770 + ... + 23829.

It is an arithmetic number, because the mean of its divisors is an integer number (214200).

21427970 is an apocalyptic number.

1427970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1427970 is an abundant number, since it is smaller than the sum of its proper divisors (1999230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1427970 is a wasteful number, since it uses less digits than its factorization.

1427970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47609.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1427970 is about 1194.9769872261. The cubic root of 1427970 is about 112.6089808139.

The spelling of 1427970 in words is "one million, four hundred twenty-seven thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 47599 95198 142797 237995 285594 475990 713985 1427970