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1402443141 = 311139305743
BaseRepresentation
bin101001110010111…
…1001010110000101
310121201221111022120
41103211321112011
510333011140031
6351055120153
746516366341
oct12345712605
93551844276
101402443141
1165a708320
12331813059
13194725818
14d438a621
15831c8a96
hex53979585

1402443141 has 16 divisors (see below), whose sum is σ = 2054599680. Its totient is φ = 843847920.

The previous prime is 1402443139. The next prime is 1402443167. The reversal of 1402443141 is 1413442041.

It is not a de Polignac number, because 1402443141 - 21 = 1402443139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402543141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148285 + ... + 157458.

It is an arithmetic number, because the mean of its divisors is an integer number (128412480).

Almost surely, 21402443141 is an apocalyptic number.

1402443141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1402443141 is a deficient number, since it is larger than the sum of its proper divisors (652156539).

1402443141 is a wasteful number, since it uses less digits than its factorization.

1402443141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305896.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1402443141 is about 37449.2074816010. The cubic root of 1402443141 is about 1119.3393055354.

Adding to 1402443141 its reverse (1413442041), we get a palindrome (2815885182).

The spelling of 1402443141 in words is "one billion, four hundred two million, four hundred forty-three thousand, one hundred forty-one".

Divisors: 1 3 11 33 139 417 1529 4587 305743 917229 3363173 10089519 42498277 127494831 467481047 1402443141