Search a number
-
+
1380290400 = 253252191707
BaseRepresentation
bin101001001000101…
…1000111101100000
310120012021000110200
41102101120331200
510311323243100
6344544225200
746130163156
oct12221307540
93505230420
101380290400
11649157675
1232630b200
1318cc6a5a8
14d14613d6
158129ee00
hex52458f60

1380290400 has 108 divisors (see below), whose sum is σ = 4867274412. Its totient is φ = 368075520.

The previous prime is 1380290393. The next prime is 1380290413. The reversal of 1380290400 is 40920831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 88654 + ... + 103053.

Almost surely, 21380290400 is an apocalyptic number.

1380290400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1380290400 is an abundant number, since it is smaller than the sum of its proper divisors (3486984012).

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

1380290400 is a wasteful number, since it uses less digits than its factorization.

1380290400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191733 (or 191717 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1380290400 is about 37152.2596890149. The cubic root of 1380290400 is about 1113.4143709364.

The spelling of 1380290400 in words is "one billion, three hundred eighty million, two hundred ninety thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 72 75 80 90 96 100 120 144 150 160 180 200 225 240 288 300 360 400 450 480 600 720 800 900 1200 1440 1800 2400 3600 7200 191707 383414 575121 766828 958535 1150242 1533656 1725363 1917070 2300484 2875605 3067312 3450726 3834140 4600968 4792675 5751210 6134624 6901452 7668280 8626815 9201936 9585350 11502420 13802904 14378025 15336560 17253630 18403872 19170700 23004840 27605808 28756050 30673120 34507260 38341400 43134075 46009680 55211616 57512100 69014520 76682800 86268150 92019360 115024200 138029040 153365600 172536300 230048400 276058080 345072600 460096800 690145200 1380290400