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2040554 = 21139029
BaseRepresentation
bin111110010001011101010
310211200010002
413302023222
51010244204
6111423002
723226065
oct7621352
93750102
102040554
11117410a
12824a62
13565a39
143b18dc
152a491e
hex1f22ea

2040554 has 8 divisors (see below), whose sum is σ = 3088260. Its totient is φ = 1011136.

The previous prime is 2040551. The next prime is 2040557. The reversal of 2040554 is 4550402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2040551) and next prime (2040557).

It can be written as a sum of positive squares in 2 ways, for example, as 2036329 + 4225 = 1427^2 + 65^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2040551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4289 + ... + 4740.

22040554 is an apocalyptic number.

2040554 is a deficient number, since it is larger than the sum of its proper divisors (1047706).

2040554 is a wasteful number, since it uses less digits than its factorization.

2040554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2040554 is about 1428.4796113351. The cubic root of 2040554 is about 126.8379937694.

Adding to 2040554 its reverse (4550402), we get a palindrome (6590956).

It can be divided in two parts, 20405 and 54, that multiplied together give a triangular number (1101870 = T1484).

The spelling of 2040554 in words is "two million, forty thousand, five hundred fifty-four".

Divisors: 1 2 113 226 9029 18058 1020277 2040554