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1401894 = 233131997
BaseRepresentation
bin101010110010000100110
32122020001000
411112100212
5324330034
650014130
714626104
oct5262046
92566030
101401894
1187829a
12577346
133a1130
14286c74
151ca599
hex156426

1401894 has 32 divisors (see below), whose sum is σ = 3356640. Its totient is φ = 431136.

The previous prime is 1401857. The next prime is 1401937. The reversal of 1401894 is 4981041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297 + ... + 1700.

It is an arithmetic number, because the mean of its divisors is an integer number (104895).

21401894 is an apocalyptic number.

1401894 is an abundant number, since it is smaller than the sum of its proper divisors (1954746).

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

1401894 is a wasteful number, since it uses less digits than its factorization.

1401894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1401894 is about 1184.0160471886. The cubic root of 1401894 is about 111.9193190200.

The spelling of 1401894 in words is "one million, four hundred one thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 1997 3994 5991 11982 17973 25961 35946 51922 53919 77883 107838 155766 233649 467298 700947 1401894