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60020025 = 3521361559
BaseRepresentation
bin1110010011110…
…1010100111001
311011221022222220
43210331110321
5110331120100
65542234253
71326106332
oct344752471
9134838886
1060020025
1130974a2a
1218125989
13c586110
147d85289
155408aa0
hex393d539

60020025 has 24 divisors (see below), whose sum is σ = 106868160. Its totient is φ = 29547840.

The previous prime is 60020021. The next prime is 60020027. The reversal of 60020025 is 52002006.

It is not a de Polignac number, because 60020025 - 22 = 60020021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 60019986 and 60020013.

It is not an unprimeable number, because it can be changed into a prime (60020021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29805 + ... + 31754.

It is an arithmetic number, because the mean of its divisors is an integer number (4452840).

Almost surely, 260020025 is an apocalyptic number.

60020025 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

60020025 is a deficient number, since it is larger than the sum of its proper divisors (46848135).

60020025 is a wasteful number, since it uses less digits than its factorization.

60020025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61585 (or 61580 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 60020025 is about 7747.2591927726. The cubic root of 60020025 is about 391.5303121750.

The spelling of 60020025 in words is "sixty million, twenty thousand, twenty-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 325 975 61559 184677 307795 800267 923385 1538975 2400801 4001335 4616925 12004005 20006675 60020025