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74235020 = 2253711751
BaseRepresentation
bin1000110110010…
…11110010001100
312011200112022012
410123023302030
5123001010040
611211040352
71560662426
oct433136214
9164615265
1074235020
11389a3962
1220a400b8
13124c2362
149c05816
1567b5865
hex46cbc8c

74235020 has 12 divisors (see below), whose sum is σ = 155893584. Its totient is φ = 29694000.

The previous prime is 74235019. The next prime is 74235037. The reversal of 74235020 is 2053247.

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 3 ways as a sum of consecutive naturals, for example, 1855856 + ... + 1855895.

It is an arithmetic number, because the mean of its divisors is an integer number (12991132).

Almost surely, 274235020 is an apocalyptic number.

It is an amenable number.

74235020 is an abundant number, since it is smaller than the sum of its proper divisors (81658564).

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

74235020 is a wasteful number, since it uses less digits than its factorization.

74235020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711760 (or 3711758 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 74235020 is about 8615.9746981987. The cubic root of 74235020 is about 420.2776320075.

Adding to 74235020 its reverse (2053247), we get a palindrome (76288267).

The spelling of 74235020 in words is "seventy-four million, two hundred thirty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 3711751 7423502 14847004 18558755 37117510 74235020