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58438070 = 256787221
BaseRepresentation
bin1101111011101…
…1000110110110
311001221221221222
43132323012312
5104430004240
65444310342
71306500245
oct336730666
9131857858
1058438070
112aa94429
12176a23b2
13c151052
147a9295c
1551e4eb5
hex37bb1b6

58438070 has 16 divisors (see below), whose sum is σ = 106759728. Its totient is φ = 23026080.

The previous prime is 58438067. The next prime is 58438097. The reversal of 58438070 is 7083485.

It is a self number, because there is not a number n which added to its sum of digits gives 58438070.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42941 + ... + 44280.

It is an arithmetic number, because the mean of its divisors is an integer number (6672483).

Almost surely, 258438070 is an apocalyptic number.

58438070 is a deficient number, since it is larger than the sum of its proper divisors (48321658).

58438070 is a wasteful number, since it uses less digits than its factorization.

58438070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87295.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 58438070 is about 7644.4797076060. The cubic root of 58438070 is about 388.0597695502.

The spelling of 58438070 in words is "fifty-eight million, four hundred thirty-eight thousand, seventy".

Divisors: 1 2 5 10 67 134 335 670 87221 174442 436105 872210 5843807 11687614 29219035 58438070