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4289457 = 317151557
BaseRepresentation
bin10000010111001110110001
322001221000210
4100113032301
52044230312
6231534333
751313464
oct20271661
98057023
104289457
11246a807
12152a3a9
13b72553
147d92db
1559ae3c
hex4173b1

4289457 has 16 divisors (see below), whose sum is σ = 6106752. Its totient is φ = 2668800.

The previous prime is 4289387. The next prime is 4289471. The reversal of 4289457 is 7549824.

It is not a de Polignac number, because 4289457 - 222 = 95153 is a prime.

It is a d-powerful number, because it can be written as 4 + 27 + 8 + 92 + 411 + 57 + 75 .

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7423 + ... + 7979.

It is an arithmetic number, because the mean of its divisors is an integer number (381672).

Almost surely, 24289457 is an apocalyptic number.

It is an amenable number.

4289457 is a deficient number, since it is larger than the sum of its proper divisors (1817295).

4289457 is a wasteful number, since it uses less digits than its factorization.

4289457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its digits is 80640, while the sum is 39.

The square root of 4289457 is about 2071.1004321375. The cubic root of 4289457 is about 162.4803226667.

The spelling of 4289457 in words is "four million, two hundred eighty-nine thousand, four hundred fifty-seven".

Divisors: 1 3 17 51 151 453 557 1671 2567 7701 9469 28407 84107 252321 1429819 4289457