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1444042100 = 225247307243
BaseRepresentation
bin101011000010010…
…0101010101110100
310201122012221100202
41112010211111310
510424133321400
6355142500032
750533104164
oct12604452564
93648187322
101444042100
11681140226
12343734618
131a022c0a7
14d9ad85a4
1586b944d5
hex56125574

1444042100 has 36 divisors (see below), whose sum is σ = 3200253504. Its totient is φ = 565325280.

The previous prime is 1444042043. The next prime is 1444042121. The reversal of 1444042100 is 12404441.

It is a happy number.

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

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, 148922 + ... + 158321.

Almost surely, 21444042100 is an apocalyptic number.

1444042100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444042100 is an abundant number, since it is smaller than the sum of its proper divisors (1756211404).

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

1444042100 is a wasteful number, since it uses less digits than its factorization.

1444042100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307304 (or 307297 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1444042100 is about 38000.5539433309. The cubic root of 1444042100 is about 1130.2988480465.

Adding to 1444042100 its reverse (12404441), we get a palindrome (1456446541).

The spelling of 1444042100 in words is "one billion, four hundred forty-four million, forty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 47 50 94 100 188 235 470 940 1175 2350 4700 307243 614486 1228972 1536215 3072430 6144860 7681075 14440421 15362150 28880842 30724300 57761684 72202105 144404210 288808420 361010525 722021050 1444042100