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1402441044 = 22317293743149
BaseRepresentation
bin101001110010111…
…1000110101010100
310121201221101102220
41103211320311110
510333011103134
6351055102340
746516360254
oct12345706524
93551841386
101402441044
1165a706794
123318119b0
13194724894
14d4389964
15831c8149
hex53978d54

1402441044 has 192 divisors, whose sum is σ = 3792096000. Its totient is φ = 401006592.

The previous prime is 1402441013. The next prime is 1402441049. The reversal of 1402441044 is 4401442041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402441049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9412282 + ... + 9412430.

It is an arithmetic number, because the mean of its divisors is an integer number (19750500).

Almost surely, 21402441044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402441044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1896048000).

1402441044 is an abundant number, since it is smaller than the sum of its proper divisors (2389654956).

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

1402441044 is a wasteful number, since it uses less digits than its factorization.

1402441044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1402441044 is about 37449.1794836683. The cubic root of 1402441044 is about 1119.3387476386.

Adding to 1402441044 its reverse (4401442041), we get a palindrome (5803883085).

The spelling of 1402441044 in words is "one billion, four hundred two million, four hundred forty-one thousand, forty-four".