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2025442 = 21012721
BaseRepresentation
bin111101110011111100010
310210220101101
413232133202
51004303232
6111225014
723134036
oct7563742
93726341
102025442
111163821
1281816a
1355bbb3
143aa1c6
152a01e7
hex1ee7e2

2025442 has 4 divisors (see below), whose sum is σ = 3038166. Its totient is φ = 1012720.

The previous prime is 2025437. The next prime is 2025467. The reversal of 2025442 is 2445202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2445202 = 21222601.

It can be written as a sum of positive squares in only one way, i.e., 2013561 + 11881 = 1419^2 + 109^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506359 + ... + 506362.

22025442 is an apocalyptic number.

2025442 is a deficient number, since it is larger than the sum of its proper divisors (1012724).

2025442 is a wasteful number, since it uses less digits than its factorization.

2025442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012723.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2025442 is about 1423.1802415717. The cubic root of 2025442 is about 126.5241039957.

The spelling of 2025442 in words is "two million, twenty-five thousand, four hundred forty-two".

Divisors: 1 2 1012721 2025442