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3214420 = 2251119769
BaseRepresentation
bin1100010000110001010100
320001022100121
430100301110
51310330140
6152521324
736215326
oct14206124
96038317
103214420
1118a6050
1210b0244
13887131
145d9616
1543764a
hex310c54

3214420 has 48 divisors (see below), whose sum is σ = 7761600. Its totient is φ = 1105920.

The previous prime is 3214417. The next prime is 3214423. The reversal of 3214420 is 244123.

It is an interprime number because it is at equal distance from previous prime (3214417) and next prime (3214423).

It is a junction number, because it is equal to n+sod(n) for n = 3214394 and 3214403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3214423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3796 + ... + 4564.

It is an arithmetic number, because the mean of its divisors is an integer number (161700).

Almost surely, 23214420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3214420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3880800).

3214420 is an abundant number, since it is smaller than the sum of its proper divisors (4547180).

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

3214420 is a wasteful number, since it uses less digits than its factorization.

3214420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3214420 is about 1792.8803641069. The cubic root of 3214420 is about 147.5822771835.

Adding to 3214420 its reverse (244123), we get a palindrome (3458543).

The spelling of 3214420 in words is "three million, two hundred fourteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 190 209 220 380 418 769 836 1045 1538 2090 3076 3845 4180 7690 8459 14611 15380 16918 29222 33836 42295 58444 73055 84590 146110 160721 169180 292220 321442 642884 803605 1607210 3214420