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1400445050 = 25228008901
BaseRepresentation
bin101001101111001…
…0001100001111010
310121121011222110012
41103132101201322
510332003220200
6350544221522
746463405114
oct12336214172
93547158405
101400445050
11659573104
1233100a8a2
131941a6214
14d3dca3b4
1582e31a35
hex5379187a

1400445050 has 12 divisors (see below), whose sum is σ = 2604827886. Its totient is φ = 560178000.

The previous prime is 1400445049. The next prime is 1400445071. The reversal of 1400445050 is 505440041.

It can be written as a sum of positive squares in 3 ways, for example, as 545642881 + 854802169 = 23359^2 + 29237^2 .

It is a super-2 number, since 2×14004450502 = 3922492676139005000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14004401 + ... + 14004500.

Almost surely, 21400445050 is an apocalyptic number.

1400445050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400445050 is a deficient number, since it is larger than the sum of its proper divisors (1204382836).

1400445050 is a wasteful number, since it uses less digits than its factorization.

1400445050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28008913 (or 28008908 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 1400445050 is about 37422.5206259546. The cubic root of 1400445050 is about 1118.8074705972.

Adding to 1400445050 its reverse (505440041), we get a palindrome (1905885091).

The spelling of 1400445050 in words is "one billion, four hundred million, four hundred forty-five thousand, fifty".

Divisors: 1 2 5 10 25 50 28008901 56017802 140044505 280089010 700222525 1400445050