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620372 = 22315003
BaseRepresentation
bin10010111011101010100
31011111222202
42113131110
5124322442
621144032
75162444
oct2273524
91144882
10620372
11394105
1225b018
131894ac
14122124
15c3c32
hex97754

620372 has 12 divisors (see below), whose sum is σ = 1120896. Its totient is φ = 300120.

The previous prime is 620363. The next prime is 620377. The reversal of 620372 is 273026.

It is a super-2 number, since 2×6203722 = 769722836768, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2378 + ... + 2625.

It is an arithmetic number, because the mean of its divisors is an integer number (93408).

2620372 is an apocalyptic number.

620372 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

620372 is a deficient number, since it is larger than the sum of its proper divisors (500524).

620372 is a wasteful number, since it uses less digits than its factorization.

620372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038 (or 5036 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 620372 is about 787.6369722150. The cubic root of 620372 is about 85.2872404611.

Adding to 620372 its reverse (273026), we get a palindrome (893398).

The spelling of 620372 in words is "six hundred twenty thousand, three hundred seventy-two".

Divisors: 1 2 4 31 62 124 5003 10006 20012 155093 310186 620372