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62420 = 2253121
BaseRepresentation
bin1111001111010100
310011121212
433033110
53444140
61200552
7346661
oct171724
9104555
1062420
1142996
1230158
1322547
1418a68
1513765
hexf3d4

62420 has 12 divisors (see below), whose sum is σ = 131124. Its totient is φ = 24960.

The previous prime is 62417. The next prime is 62423. The reversal of 62420 is 2426.

It is an interprime number because it is at equal distance from previous prime (62417) and next prime (62423).

It can be written as a sum of positive squares in 2 ways, for example, as 6724 + 55696 = 82^2 + 236^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 62395 and 62404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541 + ... + 1580.

It is an arithmetic number, because the mean of its divisors is an integer number (10927).

262420 is an apocalyptic number.

It is an amenable number.

62420 is an abundant number, since it is smaller than the sum of its proper divisors (68704).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65562).

62420 is a wasteful number, since it uses less digits than its factorization.

62420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130 (or 3128 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 62420 is about 249.8399487672. The cubic root of 62420 is about 39.6680867917.

Adding to 62420 its reverse (2426), we get a palindrome (64846).

The spelling of 62420 in words is "sixty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 3121 6242 12484 15605 31210 62420