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4878225 = 35521173
BaseRepresentation
bin10010100110111110010001
3100011211200000
4102212332101
52222100400
6252320213
756315142
oct22467621
910154600
104878225
1128320a0
121773069
13101a531
1490dac9
15665600
hex4a6f91

4878225 has 72 divisors (see below), whose sum is σ = 10020192. Its totient is φ = 2332800.

The previous prime is 4878217. The next prime is 4878233. The reversal of 4878225 is 5228784.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4878217) and next prime (4878233).

It is not a de Polignac number, because 4878225 - 23 = 4878217 is a prime.

It is a super-4 number, since 4×48782254 (a number of 28 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4878225.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 66789 + ... + 66861.

Almost surely, 24878225 is an apocalyptic number.

4878225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4878225 is an abundant number, since it is smaller than the sum of its proper divisors (5141967).

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

4878225 is a wasteful number, since it uses less digits than its factorization.

4878225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 92 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 4878225 is about 2208.6704145254. The cubic root of 4878225 is about 169.5979541887.

The spelling of 4878225 in words is "four million, eight hundred seventy-eight thousand, two hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 27 33 45 55 73 75 81 99 135 165 219 225 243 275 297 365 405 495 657 675 803 825 891 1095 1215 1485 1825 1971 2025 2409 2475 2673 3285 4015 4455 5475 5913 6075 7227 7425 9855 12045 13365 16425 17739 20075 21681 22275 29565 36135 49275 60225 65043 66825 88695 108405 147825 180675 195129 325215 443475 542025 975645 1626075 4878225