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1368034590 = 2351310732783
BaseRepresentation
bin101000110001010…
…1000110100011110
310112100012100122210
41101202220310132
510300204101330
6343425421250
745621050016
oct12142506436
93470170583
101368034590
116422466aa
1232219a826
1318a569030
14cd990c46
158017d8b0
hex518a8d1e

1368034590 has 64 divisors (see below), whose sum is σ = 3568997376. Its totient is φ = 333589632.

The previous prime is 1368034543. The next prime is 1368034627. The reversal of 1368034590 is 954308631.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25339 + ... + 58121.

It is an arithmetic number, because the mean of its divisors is an integer number (55765584).

Almost surely, 21368034590 is an apocalyptic number.

1368034590 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 1368034590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784498688).

1368034590 is an abundant number, since it is smaller than the sum of its proper divisors (2200962786).

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

1368034590 is a wasteful number, since it uses less digits than its factorization.

1368034590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32913.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1368034590 is about 36986.9516181045. The cubic root of 1368034590 is about 1110.1091768272.

The spelling of 1368034590 in words is "one billion, three hundred sixty-eight million, thirty-four thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 107 130 195 214 321 390 535 642 1070 1391 1605 2782 3210 4173 6955 8346 13910 20865 32783 41730 65566 98349 163915 196698 327830 426179 491745 852358 983490 1278537 2130895 2557074 3507781 4261790 6392685 7015562 10523343 12785370 17538905 21046686 35077810 45601153 52616715 91202306 105233430 136803459 228005765 273606918 456011530 684017295 1368034590