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1421002 = 21164591
BaseRepresentation
bin101011010111011001010
32200012020201
411122323022
5330433002
650242414
715035602
oct5327312
92605221
101421002
11890690
1258640a
133a9a3b
1428dc02
151d1087
hex15aeca

1421002 has 8 divisors (see below), whose sum is σ = 2325312. Its totient is φ = 645900.

The previous prime is 1420999. The next prime is 1421011. The reversal of 1421002 is 2001241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1421002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32274 + ... + 32317.

It is an arithmetic number, because the mean of its divisors is an integer number (290664).

21421002 is an apocalyptic number.

1421002 is a deficient number, since it is larger than the sum of its proper divisors (904310).

1421002 is a wasteful number, since it uses less digits than its factorization.

1421002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64604.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1421002 is about 1192.0578845006. The cubic root of 1421002 is about 112.4255177771.

Adding to 1421002 its reverse (2001241), we get a palindrome (3422243).

The spelling of 1421002 in words is "one million, four hundred twenty-one thousand, two".

Divisors: 1 2 11 22 64591 129182 710501 1421002