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2054140 = 225119337
BaseRepresentation
bin111110101011111111100
310212100202021
413311133330
51011213030
6112005524
723313514
oct7653774
93770667
102054140
111183340
128308a4
1356bc8a
143b6844
152a897a
hex1f57fc

2054140 has 24 divisors (see below), whose sum is σ = 4706352. Its totient is φ = 746880.

The previous prime is 2054131. The next prime is 2054149. The reversal of 2054140 is 414502.

2054140 = T11 + T12 + ... + T230.

It is an interprime number because it is at equal distance from previous prime (2054131) and next prime (2054149).

It is a super-2 number, since 2×20541402 = 8438982279200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4449 + ... + 4888.

It is an arithmetic number, because the mean of its divisors is an integer number (196098).

22054140 is an apocalyptic number.

2054140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054140 is an abundant number, since it is smaller than the sum of its proper divisors (2652212).

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

2054140 is a wasteful number, since it uses less digits than its factorization.

2054140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9357 (or 9355 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2054140 is about 1433.2271278482. The cubic root of 2054140 is about 127.1188669485.

Adding to 2054140 its reverse (414502), we get a palindrome (2468642).

The spelling of 2054140 in words is "two million, fifty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 9337 18674 37348 46685 93370 102707 186740 205414 410828 513535 1027070 2054140