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4912220 = 225793109
BaseRepresentation
bin10010101111010001011100
3100020120022002
4102233101130
52224142340
6253141432
756516225
oct22572134
910216262
104912220
112855695
12178a878
13102cb51
1491c24c
15670715
hex4af45c

4912220 has 24 divisors (see below), whose sum is σ = 10449600. Its totient is φ = 1939392.

The previous prime is 4912213. The next prime is 4912247. The reversal of 4912220 is 222194.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4912192 and 4912201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26 + ... + 3134.

It is an arithmetic number, because the mean of its divisors is an integer number (435400).

Almost surely, 24912220 is an apocalyptic number.

It is an amenable number.

4912220 is an abundant number, since it is smaller than the sum of its proper divisors (5537380).

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

4912220 is a wasteful number, since it uses less digits than its factorization.

4912220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197 (or 3195 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4912220 is about 2216.3528599932. The cubic root of 4912220 is about 169.9910029841.

The spelling of 4912220 in words is "four million, nine hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 3109 6218 12436 15545 31090 62180 245611 491222 982444 1228055 2456110 4912220