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58371380 = 2252918569
BaseRepresentation
bin1101111010101…
…0110100110100
311001211120110222
43132222310310
5104420341010
65443033512
71306101644
oct336526464
9131746428
1058371380
112aa49311
121766b898
13c1298a2
147a76524
1551d0355
hex37aad34

58371380 has 12 divisors (see below), whose sum is σ = 122579940. Its totient is φ = 23348544.

The previous prime is 58371371. The next prime is 58371407. The reversal of 58371380 is 8317385.

It can be written as a sum of positive squares in 2 ways, for example, as 26584336 + 31787044 = 5156^2 + 5638^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 58371380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1459265 + ... + 1459304.

It is an arithmetic number, because the mean of its divisors is an integer number (10214995).

Almost surely, 258371380 is an apocalyptic number.

It is an amenable number.

58371380 is an abundant number, since it is smaller than the sum of its proper divisors (64208560).

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

58371380 is a wasteful number, since it uses less digits than its factorization.

58371380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918578 (or 2918576 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 58371380 is about 7640.1164912585. The cubic root of 58371380 is about 387.9120943733.

The spelling of 58371380 in words is "fifty-eight million, three hundred seventy-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 2918569 5837138 11674276 14592845 29185690 58371380