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2949541 = 71967331
BaseRepresentation
bin1011010000000110100101
312112212000021
423100012211
51223341131
6143115141
734033150
oct13200645
95485007
102949541
111735041
12ba2ab1
137c36ba
1456ac97
153d3e11
hex2d01a5

2949541 has 16 divisors (see below), whose sum is σ = 3612160. Its totient is φ = 2352240.

The previous prime is 2949539. The next prime is 2949577. The reversal of 2949541 is 1459492.

It is a 5-Lehmer number, since φ(2949541) divides (2949541-1)5.

It is a cyclic number.

It is not a de Polignac number, because 2949541 - 21 = 2949539 is a prime.

It is a super-2 number, since 2×29495412 = 17399584221362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2949497 and 2949506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2949511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8746 + ... + 9076.

It is an arithmetic number, because the mean of its divisors is an integer number (225760).

22949541 is an apocalyptic number.

It is an amenable number.

2949541 is a deficient number, since it is larger than the sum of its proper divisors (662619).

2949541 is a wasteful number, since it uses less digits than its factorization.

2949541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424.

The product of its digits is 12960, while the sum is 34.

The square root of 2949541 is about 1717.4227784678. The cubic root of 2949541 is about 143.4117754634.

The spelling of 2949541 in words is "two million, nine hundred forty-nine thousand, five hundred forty-one".

Divisors: 1 7 19 67 133 331 469 1273 2317 6289 8911 22177 44023 155239 421363 2949541