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1404985384 = 231115965743
BaseRepresentation
bin101001110111110…
…0110000000101000
310121220201122121201
41103233212000220
510334134013014
6351225413544
746550115205
oct12357460050
93556648551
101404985384
11661094350
1233263a2b4
131951059ca
14d484ccac
158352be74
hex53be6028

1404985384 has 16 divisors (see below), whose sum is σ = 2873833920. Its totient is φ = 638629680.

The previous prime is 1404985369. The next prime is 1404985399. The reversal of 1404985384 is 4835894041.

It is an interprime number because it is at equal distance from previous prime (1404985369) and next prime (1404985399).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7982784 + ... + 7982959.

It is an arithmetic number, because the mean of its divisors is an integer number (179614620).

Almost surely, 21404985384 is an apocalyptic number.

It is an amenable number.

1404985384 is an abundant number, since it is smaller than the sum of its proper divisors (1468848536).

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

1404985384 is a wasteful number, since it uses less digits than its factorization.

1404985384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15965760 (or 15965756 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 1404985384 is about 37483.1346608045. The cubic root of 1404985384 is about 1120.0152485169.

The spelling of 1404985384 in words is "one billion, four hundred four million, nine hundred eighty-five thousand, three hundred eighty-four".

Divisors: 1 2 4 8 11 22 44 88 15965743 31931486 63862972 127725944 175623173 351246346 702492692 1404985384