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BaseRepresentation
bin101010110010010010010
32122020012000
411112102102
5324331002
650014430
714626320
oct5262222
92566160
101402002
11878388
12577416
133a11b4
14286d10
151ca61c
hex156492

1402002 has 32 divisors (see below), whose sum is σ = 3561600. Its totient is φ = 400464.

The previous prime is 1401989. The next prime is 1402003. The reversal of 1402002 is 2002041.

Adding to 1402002 its reverse (2002041), we get a palindrome (3404043).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1402003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1477 + ... + 2232.

It is an arithmetic number, because the mean of its divisors is an integer number (111300).

21402002 is an apocalyptic number.

1402002 is an abundant number, since it is smaller than the sum of its proper divisors (2159598).

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

1402002 is a wasteful number, since it uses less digits than its factorization.

1402002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727 (or 3721 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 1402002 is about 1184.0616538002. The cubic root of 1402002 is about 111.9221929834.

The spelling of 1402002 in words is "one million, four hundred two thousand, two".