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58383640 = 2357208513
BaseRepresentation
bin1101111010110…
…1110100011000
311001212012022001
43132231310120
5104421234030
65443210344
71306152460
oct336556430
9131765261
1058383640
112aa57547
12176769b4
13c132343
147a7aba0
1551d3cca
hex37add18

58383640 has 32 divisors (see below), whose sum is σ = 150130080. Its totient is φ = 20017152.

The previous prime is 58383629. The next prime is 58383643. The reversal of 58383640 is 4638385.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 58383640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58383643) 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, 103977 + ... + 104536.

It is an arithmetic number, because the mean of its divisors is an integer number (4691565).

Almost surely, 258383640 is an apocalyptic number.

It is an amenable number.

58383640 is an abundant number, since it is smaller than the sum of its proper divisors (91746440).

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

58383640 is a wasteful number, since it uses less digits than its factorization.

58383640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208531 (or 208527 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 58383640 is about 7640.9187929201. The cubic root of 58383640 is about 387.9392507717.

The spelling of 58383640 in words is "fifty-eight million, three hundred eighty-three thousand, six hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 208513 417026 834052 1042565 1459591 1668104 2085130 2919182 4170260 5838364 7297955 8340520 11676728 14595910 29191820 58383640