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1401912 = 233219471
BaseRepresentation
bin101010110010000111000
32122020001200
411112100320
5324330122
650014200
714626131
oct5262070
92566050
101401912
11878306
12577360
133a1145
14286c88
151ca5ac
hex156438

1401912 has 24 divisors (see below), whose sum is σ = 3797040. Its totient is φ = 467280.

The previous prime is 1401857. The next prime is 1401937. The reversal of 1401912 is 2191041.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 9664 + ... + 9807.

It is an arithmetic number, because the mean of its divisors is an integer number (158210).

21401912 is an apocalyptic number.

1401912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401912 is an abundant number, since it is smaller than the sum of its proper divisors (2395128).

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

1401912 is a wasteful number, since it uses less digits than its factorization.

1401912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19483 (or 19476 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1401912 is about 1184.0236484125. The cubic root of 1401912 is about 111.9197980241.

Adding to 1401912 its reverse (2191041), we get a palindrome (3592953).

The spelling of 1401912 in words is "one million, four hundred one thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 19471 38942 58413 77884 116826 155768 175239 233652 350478 467304 700956 1401912