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3125320 = 235117103
BaseRepresentation
bin1011111011000001001000
312212210010121
423323001020
51300002240
6150553024
735364502
oct13730110
95783117
103125320
111845110
121068774
13855703
145b4d72
1541b04a
hex2fb048

3125320 has 32 divisors (see below), whose sum is σ = 7672320. Its totient is φ = 1136320.

The previous prime is 3125299. The next prime is 3125323. The reversal of 3125320 is 235213.

It is a sliding number, since 3125320 = 320 + 3125000 and 1/320 + 1/3125000 = 0.003125320.

It is a junction number, because it is equal to n+sod(n) for n = 3125294 and 3125303.

It is not an unprimeable number, because it can be changed into a prime (3125323) 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, 3112 + ... + 3991.

It is an arithmetic number, because the mean of its divisors is an integer number (239760).

Almost surely, 23125320 is an apocalyptic number.

It is an amenable number.

3125320 is an abundant number, since it is smaller than the sum of its proper divisors (4547000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3125320 is a wasteful number, since it uses less digits than its factorization.

3125320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7125 (or 7121 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 3125320 is about 1767.8574603174. The cubic root of 3125320 is about 146.2058770639.

It can be divided in two parts, 3125 and 320, that multiplied together give a 6-th power (1000000 = 106).

The spelling of 3125320 in words is "three million, one hundred twenty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 7103 14206 28412 35515 56824 71030 78133 142060 156266 284120 312532 390665 625064 781330 1562660 3125320