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5018220 = 223359293
BaseRepresentation
bin10011001001001001101100
3100102221201000
4103021021230
52241040340
6255320300
760440244
oct23111154
910387630
105018220
112918299
121820090
13106917c
14948b24
15691d30
hex4c926c

5018220 has 48 divisors (see below), whose sum is σ = 15613920. Its totient is φ = 1338048.

The previous prime is 5018219. The next prime is 5018269. The reversal of 5018220 is 228105.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5018193 and 5018202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4107 + ... + 5186.

It is an arithmetic number, because the mean of its divisors is an integer number (325290).

Almost surely, 25018220 is an apocalyptic number.

It is an amenable number.

5018220 is an abundant number, since it is smaller than the sum of its proper divisors (10595700).

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

5018220 is a wasteful number, since it uses less digits than its factorization.

5018220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311 (or 9303 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 5018220 is about 2240.1383885823. The cubic root of 5018220 is about 171.2050479631.

The spelling of 5018220 in words is "five million, eighteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 9293 18586 27879 37172 46465 55758 83637 92930 111516 139395 167274 185860 250911 278790 334548 418185 501822 557580 836370 1003644 1254555 1672740 2509110 5018220