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1442203100 = 2252131109387
BaseRepresentation
bin101010111110110…
…0100010111011100
310201111202111201122
41111331210113130
510423200444400
6355035230112
750511344522
oct12575442734
93644674648
101442203100
116800a4598
12342ba8338
1319ca37020
14d977a312
158692e685
hex55f645dc

1442203100 has 36 divisors (see below), whose sum is σ = 3370320744. Its totient is φ = 532505280.

The previous prime is 1442203097. The next prime is 1442203117. The reversal of 1442203100 is 13022441.

It is a super-2 number, since 2×14422031002 = 4159899563299220000, which contains 22 as substring.

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, 553394 + ... + 555993.

Almost surely, 21442203100 is an apocalyptic number.

1442203100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442203100 is an abundant number, since it is smaller than the sum of its proper divisors (1928117644).

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

1442203100 is a wasteful number, since it uses less digits than its factorization.

1442203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109414 (or 1109407 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1442203100 is about 37976.3492189547. The cubic root of 1442203100 is about 1129.8188291269.

Adding to 1442203100 its reverse (13022441), we get a palindrome (1455225541).

The spelling of 1442203100 in words is "one billion, four hundred forty-two million, two hundred three thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 1109387 2218774 4437548 5546935 11093870 14422031 22187740 27734675 28844062 55469350 57688124 72110155 110938700 144220310 288440620 360550775 721101550 1442203100