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4951105 = 52573853
BaseRepresentation
bin10010111000110001000001
3100022112122021
4102320301001
52231413410
6254041441
760040465
oct22706101
910275567
104951105
112881925
1217a9281
131044763
1492c4a5
1567beda
hex4b8c41

4951105 has 8 divisors (see below), whose sum is σ = 5965992. Its totient is φ = 3944448.

The previous prime is 4951091. The next prime is 4951109. The reversal of 4951105 is 5011594.

It can be written as a sum of positive squares in 4 ways, for example, as 3489424 + 1461681 = 1868^2 + 1209^2 .

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

It is a 2-Lehmer number, since φ(4951105) divides (4951105-1)2.

It is a cyclic number.

It is not a de Polignac number, because 4951105 - 25 = 4951073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4951105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4951109) 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, 642 + ... + 3211.

It is an arithmetic number, because the mean of its divisors is an integer number (745749).

Almost surely, 24951105 is an apocalyptic number.

4951105 is the 1285-th octagonal number.

It is an amenable number.

4951105 is a deficient number, since it is larger than the sum of its proper divisors (1014887).

4951105 is a wasteful number, since it uses less digits than its factorization.

4951105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4115.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 4951105 is about 2225.1078625541. The cubic root of 4951105 is about 170.4383726501.

Adding to 4951105 its reverse (5011594), we get a palindrome (9962699).

It can be divided in two parts, 495 and 1105, that added together give a square (1600 = 402).

The spelling of 4951105 in words is "four million, nine hundred fifty-one thousand, one hundred five".

Divisors: 1 5 257 1285 3853 19265 990221 4951105