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76005420 = 22351266757
BaseRepresentation
bin1001000011111…
…00000000101100
312022000110211120
410201330000230
5123424133140
611313020540
71612015101
oct441740054
9168013746
1076005420
11399a2aa7
1221554750
131299212a
14a146aa8
156a151d0
hex487c02c

76005420 has 24 divisors (see below), whose sum is σ = 212815344. Its totient is φ = 20268096.

The previous prime is 76005401. The next prime is 76005421. The reversal of 76005420 is 2450067.

It is a happy number.

76005420 is a modest number, since divided by 5420 gives 760 as remainder.

It is not an unprimeable number, because it can be changed into a prime (76005421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633319 + ... + 633438.

It is an arithmetic number, because the mean of its divisors is an integer number (8867306).

Almost surely, 276005420 is an apocalyptic number.

It is an amenable number.

76005420 is an abundant number, since it is smaller than the sum of its proper divisors (136809924).

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

76005420 is a wasteful number, since it uses less digits than its factorization.

76005420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266769 (or 1266767 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 76005420 is about 8718.1087398587. The cubic root of 76005420 is about 423.5924275562.

Adding to 76005420 its reverse (2450067), we get a palindrome (78455487).

The spelling of 76005420 in words is "seventy-six million, five thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1266757 2533514 3800271 5067028 6333785 7600542 12667570 15201084 19001355 25335140 38002710 76005420