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4289077 = 13372241
BaseRepresentation
bin10000010111001000110101
322001220111201
4100113020311
52044222302
6231532501
751312412
oct20271065
98056451
104289077
11246a4a1
12152a131
13b72320
147d9109
1559ac87
hex417235

4289077 has 12 divisors (see below), whose sum is σ = 4766916. Its totient is φ = 3836160.

The previous prime is 4289057. The next prime is 4289099. The reversal of 4289077 is 7709824.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 625681 + 3663396 = 791^2 + 1914^2 .

It is a de Polignac number, because none of the positive numbers 2k-4289077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4289057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17677 + ... + 17917.

It is an arithmetic number, because the mean of its divisors is an integer number (397243).

Almost surely, 24289077 is an apocalyptic number.

It is an amenable number.

4289077 is a deficient number, since it is larger than the sum of its proper divisors (477839).

4289077 is a wasteful number, since it uses less digits than its factorization.

4289077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 4289077 is about 2071.0086914352. The cubic root of 4289077 is about 162.4755245189.

4289077 divided by its sum of digits (37) gives a triangular number (115921 = T481).

The spelling of 4289077 in words is "four million, two hundred eighty-nine thousand, seventy-seven".

Divisors: 1 13 37 241 481 1369 3133 8917 17797 115921 329929 4289077