[go: up one dir, main page]

Search a number
-
+
1453210400 = 25522716703
BaseRepresentation
bin101011010011110…
…0011101100100000
310202021110201220102
41112213203230200
510434010213100
6400111201532
751004041005
oct12647435440
93667421812
101453210400
11686332534
123468162a8
131a20bc215
14db0038ac
15878a5cd5
hex569e3b20

1453210400 has 72 divisors (see below), whose sum is σ = 3561272064. Its totient is φ = 579052800.

The previous prime is 1453210399. The next prime is 1453210411. The reversal of 1453210400 is 40123541.

It is a super-2 number, since 2×14532104002 = 4223640933336320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213449 + ... + 220151.

It is an arithmetic number, because the mean of its divisors is an integer number (49462112).

Almost surely, 21453210400 is an apocalyptic number.

1453210400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1453210400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780636032).

1453210400 is an abundant number, since it is smaller than the sum of its proper divisors (2108061664).

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

1453210400 is a wasteful number, since it uses less digits than its factorization.

1453210400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6994 (or 6981 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1453210400 is about 38120.9968390125. The cubic root of 1453210400 is about 1132.6859124280.

Adding to 1453210400 its reverse (40123541), we get a palindrome (1493333941).

The spelling of 1453210400 in words is "one billion, four hundred fifty-three million, two hundred ten thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 271 400 542 800 1084 1355 2168 2710 4336 5420 6703 6775 8672 10840 13406 13550 21680 26812 27100 33515 43360 53624 54200 67030 107248 108400 134060 167575 214496 216800 268120 335150 536240 670300 1072480 1340600 1816513 2681200 3633026 5362400 7266052 9082565 14532104 18165130 29064208 36330260 45412825 58128416 72660520 90825650 145321040 181651300 290642080 363302600 726605200 1453210400