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2974725 = 345213113
BaseRepresentation
bin1011010110010000000101
312121010120000
423112100011
51230142400
6143431513
734166445
oct13262005
95533500
102974725
111751a56
12bb5599
13801cc0
14576125
153db600
hex2d6405

2974725 has 60 divisors (see below), whose sum is σ = 5986596. Its totient is φ = 1451520.

The previous prime is 2974723. The next prime is 2974747. The reversal of 2974725 is 5274792.

It can be written as a sum of positive squares in 6 ways, for example, as 1127844 + 1846881 = 1062^2 + 1359^2 .

It is not a de Polignac number, because 2974725 - 21 = 2974723 is a prime.

It is a zygodrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2974725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2974723) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 26269 + ... + 26381.

22974725 is an apocalyptic number.

2974725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2974725 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2974725 is a wasteful number, since it uses less digits than its factorization.

2974725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 134 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 2974725 is about 1724.7391107063. The cubic root of 2974725 is about 143.8187824582.

The spelling of 2974725 in words is "two million, nine hundred seventy-four thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 13 15 25 27 39 45 65 75 81 113 117 135 195 225 325 339 351 405 565 585 675 975 1017 1053 1469 1695 1755 2025 2825 2925 3051 4407 5085 5265 7345 8475 8775 9153 13221 15255 22035 25425 26325 36725 39663 45765 66105 76275 110175 118989 198315 228825 330525 594945 991575 2974725