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60007980 = 22351000133
BaseRepresentation
bin1110010011101…
…0011000101100
311011220201110210
43210322120230
5110330223410
65542102420
71326026244
oct344723054
9134821423
1060007980
113096697a
121811aa10
13c5807a6
147d80b24
155405220
hex393a62c

60007980 has 24 divisors (see below), whose sum is σ = 168022512. Its totient is φ = 16002112.

The previous prime is 60007979. The next prime is 60007999. The reversal of 60007980 is 8970006.

It is a happy number.

60007980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500007 + ... + 500126.

It is an arithmetic number, because the mean of its divisors is an integer number (7000938).

Almost surely, 260007980 is an apocalyptic number.

60007980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60007980 is an abundant number, since it is smaller than the sum of its proper divisors (108014532).

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

60007980 is a wasteful number, since it uses less digits than its factorization.

60007980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000145 (or 1000143 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 60007980 is about 7746.4817820737. The cubic root of 60007980 is about 391.5041192607.

Adding to 60007980 its reverse (8970006), we get a palindrome (68977986).

The spelling of 60007980 in words is "sixty million, seven thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1000133 2000266 3000399 4000532 5000665 6000798 10001330 12001596 15001995 20002660 30003990 60007980