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1420716 = 2231147229
BaseRepresentation
bin101011010110110101100
32200011212010
411122312230
5330430331
650241220
715035013
oct5326654
92604763
101420716
11890450
12586210
133a987b
1428da7a
151d0e46
hex15adac

1420716 has 48 divisors (see below), whose sum is σ = 3709440. Its totient is φ = 419520.

The previous prime is 1420697. The next prime is 1420717. The reversal of 1420716 is 6170241.

It is a junction number, because it is equal to n+sod(n) for n = 1420692 and 1420701.

It is not an unprimeable number, because it can be changed into a prime (1420717) 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, 6090 + ... + 6318.

It is an arithmetic number, because the mean of its divisors is an integer number (77280).

21420716 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 1420716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1854720).

1420716 is an abundant number, since it is smaller than the sum of its proper divisors (2288724).

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

1420716 is a wasteful number, since it uses less digits than its factorization.

1420716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1420716 is about 1191.9379178464. The cubic root of 1420716 is about 112.4179747768.

Adding to 1420716 its reverse (6170241), we get a palindrome (7590957).

The spelling of 1420716 in words is "one million, four hundred twenty thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 11 12 22 33 44 47 66 94 132 141 188 229 282 458 517 564 687 916 1034 1374 1551 2068 2519 2748 3102 5038 6204 7557 10076 10763 15114 21526 30228 32289 43052 64578 118393 129156 236786 355179 473572 710358 1420716