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2913225 = 352731179
BaseRepresentation
bin1011000111001111001001
312111000012020
423013033021
51221210400
6142235053
733522240
oct13071711
95430166
102913225
11170a827
12b85a89
137b0003
1455b957
153c82a0
hex2c73c9

2913225 has 48 divisors (see below), whose sum is σ = 5713920. Its totient is φ = 1281600.

The previous prime is 2913223. The next prime is 2913233. The reversal of 2913225 is 5223192.

It is not a de Polignac number, because 2913225 - 21 = 2913223 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2913195 and 2913204.

It is not an unprimeable number, because it can be changed into a prime (2913223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16186 + ... + 16364.

It is an arithmetic number, because the mean of its divisors is an integer number (119040).

22913225 is an apocalyptic number.

2913225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2913225 is a deficient number, since it is larger than the sum of its proper divisors (2800695).

2913225 is a wasteful number, since it uses less digits than its factorization.

2913225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 225 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 2913225 is about 1706.8172134121. The cubic root of 2913225 is about 142.8207609734.

The spelling of 2913225 in words is "two million, nine hundred thirteen thousand, two hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 31 35 75 93 105 155 175 179 217 465 525 537 651 775 895 1085 1253 2325 2685 3255 3759 4475 5425 5549 6265 13425 16275 16647 18795 27745 31325 38843 83235 93975 116529 138725 194215 416175 582645 971075 2913225