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1401055 = 51753311
BaseRepresentation
bin101010110000011011111
32122011212221
411112003133
5324313210
650010211
714623465
oct5260337
92564787
101401055
118776a7
12576967
133a0936
14286835
151ca1da
hex1560df

1401055 has 16 divisors (see below), whose sum is σ = 1819584. Its totient is φ = 1031680.

The previous prime is 1401053. The next prime is 1401067. The reversal of 1401055 is 5501041.

It is a happy number.

It is not a de Polignac number, because 1401055 - 21 = 1401053 is a prime.

It is a super-2 number, since 2×14010552 = 3925910226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401053) 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, 4350 + ... + 4660.

It is an arithmetic number, because the mean of its divisors is an integer number (113724).

21401055 is an apocalyptic number.

1401055 is a deficient number, since it is larger than the sum of its proper divisors (418529).

1401055 is a wasteful number, since it uses less digits than its factorization.

1401055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1401055 is about 1183.6616915318. The cubic root of 1401055 is about 111.8969875533.

Adding to 1401055 its reverse (5501041), we get a palindrome (6902096).

The spelling of 1401055 in words is "one million, four hundred one thousand, fifty-five".

Divisors: 1 5 17 53 85 265 311 901 1555 4505 5287 16483 26435 82415 280211 1401055