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4978105 = 51190511
BaseRepresentation
bin10010111111010110111001
3100100220200021
4102333112321
52233244410
6254410441
760212266
oct22772671
910326607
104978105
1128a0140
121800a21
131053b32
1493826d
15684eda
hex4bf5b9

4978105 has 8 divisors (see below), whose sum is σ = 6516864. Its totient is φ = 3620400.

The previous prime is 4978081. The next prime is 4978109. The reversal of 4978105 is 5018794.

It is a happy number.

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

It is not a de Polignac number, because 4978105 - 27 = 4977977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4978109) 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, 45201 + ... + 45310.

It is an arithmetic number, because the mean of its divisors is an integer number (814608).

Almost surely, 24978105 is an apocalyptic number.

It is an amenable number.

4978105 is a deficient number, since it is larger than the sum of its proper divisors (1538759).

4978105 is a wasteful number, since it uses less digits than its factorization.

4978105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90527.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 4978105 is about 2231.1667351411. The cubic root of 4978105 is about 170.7476299577.

The spelling of 4978105 in words is "four million, nine hundred seventy-eight thousand, one hundred five".

Divisors: 1 5 11 55 90511 452555 995621 4978105