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1401968 = 2487623
BaseRepresentation
bin101010110010001110000
32122020010202
411112101300
5324330333
650014332
714626241
oct5262160
92566122
101401968
11878357
125773a8
133a1189
14286cc8
151ca5e8
hex156470

1401968 has 10 divisors (see below), whose sum is σ = 2716344. Its totient is φ = 700976.

The previous prime is 1401949. The next prime is 1401971. The reversal of 1401968 is 8691041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43796 + ... + 43827.

21401968 is an apocalyptic number.

It is an amenable number.

1401968 is a deficient number, since it is larger than the sum of its proper divisors (1314376).

1401968 is an equidigital number, since it uses as much as digits as its factorization.

1401968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87631 (or 87625 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1401968 is about 1184.0472963526. The cubic root of 1401968 is about 111.9212882330.

The spelling of 1401968 in words is "one million, four hundred one thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 87623 175246 350492 700984 1401968