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2054040 = 233517117
BaseRepresentation
bin111110101011110011000
310212100121120
413311132120
51011212130
6112005240
723313312
oct7653630
93770546
102054040
11118325a
12830820
1356bc11
143b67b2
152a8910
hex1f5798

2054040 has 32 divisors (see below), whose sum is σ = 6162480. Its totient is φ = 547712.

The previous prime is 2054027. The next prime is 2054047. The reversal of 2054040 is 404502.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8439 + ... + 8678.

22054040 is an apocalyptic number.

2054040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054040 is an abundant number, since it is smaller than the sum of its proper divisors (4108440).

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

2054040 is a wasteful number, since it uses less digits than its factorization.

2054040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17131 (or 17127 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2054040 is about 1433.1922411177. The cubic root of 2054040 is about 127.1168041075.

Adding to 2054040 its reverse (404502), we get a palindrome (2458542).

The spelling of 2054040 in words is "two million, fifty-four thousand, forty", and thus it is an eban number.

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 17117 34234 51351 68468 85585 102702 136936 171170 205404 256755 342340 410808 513510 684680 1027020 2054040