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1401479 = 3153853
BaseRepresentation
bin101010110001010000111
32122012110122
411112022013
5324321404
650012155
714624642
oct5261207
92565418
101401479
11877a52
1257705b
133a0ba1
14286a59
151ca3be
hex156287

1401479 has 8 divisors (see below), whose sum is σ = 1475712. Its totient is φ = 1329120.

The previous prime is 1401461. The next prime is 1401481. The reversal of 1401479 is 9741041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1401479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217 + ... + 2069.

It is an arithmetic number, because the mean of its divisors is an integer number (184464).

21401479 is an apocalyptic number.

1401479 is a deficient number, since it is larger than the sum of its proper divisors (74233).

1401479 is an equidigital number, since it uses as much as digits as its factorization.

1401479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1401479 is about 1183.8407832137. The cubic root of 1401479 is about 111.9082741761.

The spelling of 1401479 in words is "one million, four hundred one thousand, four hundred seventy-nine".

Divisors: 1 31 53 853 1643 26443 45209 1401479