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2025740 = 225101287
BaseRepresentation
bin111101110100100001100
310210220210102
413232210030
51004310430
6111230232
723134643
oct7564414
93726712
102025740
111163a72
12818378
1355c082
143aa35a
152a0345
hex1ee90c

2025740 has 12 divisors (see below), whose sum is σ = 4254096. Its totient is φ = 810288.

The previous prime is 2025739. The next prime is 2025767. The reversal of 2025740 is 475202.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 101287 = 2025740 / (2 + 0 + 2 + 5 + 7 + 4 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50624 + ... + 50663.

It is an arithmetic number, because the mean of its divisors is an integer number (354508).

22025740 is an apocalyptic number.

2025740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2025740 is an abundant number, since it is smaller than the sum of its proper divisors (2228356).

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

2025740 is a wasteful number, since it uses less digits than its factorization.

2025740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101296 (or 101294 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2025740 is about 1423.2849328227. The cubic root of 2025740 is about 126.5303087869.

The spelling of 2025740 in words is "two million, twenty-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 101287 202574 405148 506435 1012870 2025740