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1444421300 = 225272063459
BaseRepresentation
bin101011000011000…
…0001111010110100
310201122221012112012
41112012001322310
510424232440200
6355154543352
750536243550
oct12606017264
93648835465
101444421300
1168137a113
12343897b58
131a033287a
14d9b96860
1586c1ba35
hex56181eb4

1444421300 has 36 divisors (see below), whose sum is σ = 3582166560. Its totient is φ = 495229920.

The previous prime is 1444421273. The next prime is 1444421369. The reversal of 1444421300 is 31244441.

It is a happy number.

It is a congruent number.

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, 1031030 + ... + 1032429.

Almost surely, 21444421300 is an apocalyptic number.

1444421300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444421300 is an abundant number, since it is smaller than the sum of its proper divisors (2137745260).

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

1444421300 is a wasteful number, since it uses less digits than its factorization.

1444421300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063480 (or 2063473 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1444421300 is about 38005.5430167759. The cubic root of 1444421300 is about 1130.3977767901.

Adding to 1444421300 its reverse (31244441), we get a palindrome (1475665741).

The spelling of 1444421300 in words is "one billion, four hundred forty-four million, four hundred twenty-one thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 2063459 4126918 8253836 10317295 14444213 20634590 28888426 41269180 51586475 57776852 72221065 103172950 144442130 206345900 288884260 361105325 722210650 1444421300