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1379048790 = 235713150129
BaseRepresentation
bin101001000110010…
…1001110101010110
310120002220221022010
41102030221311112
510311014030130
6344501445050
746113502260
oct12214516526
93502827263
101379048790
11648489849
12325a10786
1318c924402
14d121ab30
15811070b0
hex52329d56

1379048790 has 64 divisors (see below), whose sum is σ = 3811484160. Its totient is φ = 312798720.

The previous prime is 1379048731. The next prime is 1379048791. The reversal of 1379048790 is 978409731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379048791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2446 + ... + 52574.

It is an arithmetic number, because the mean of its divisors is an integer number (59554440).

Almost surely, 21379048790 is an apocalyptic number.

1379048790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379048790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1905742080).

1379048790 is an abundant number, since it is smaller than the sum of its proper divisors (2432435370).

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

1379048790 is a wasteful number, since it uses less digits than its factorization.

1379048790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50277.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 1379048790 is about 37135.5461788298. The cubic root of 1379048790 is about 1113.0804216132.

The spelling of 1379048790 in words is "one billion, three hundred seventy-nine million, forty-eight thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 131 210 262 393 655 786 917 1310 1834 1965 2751 3930 4585 5502 9170 13755 27510 50129 100258 150387 250645 300774 350903 501290 701806 751935 1052709 1503870 1754515 2105418 3509030 5263545 6566899 10527090 13133798 19700697 32834495 39401394 45968293 65668990 91936586 98503485 137904879 197006970 229841465 275809758 459682930 689524395 1379048790