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1400419 = 5326423
BaseRepresentation
bin101010101111001100011
32122011000101
411111321203
5324303134
650003231
714621566
oct5257143
92564011
101400419
11877179
12576517
133a0567
142864dd
151c9e14
hex155e63

1400419 has 4 divisors (see below), whose sum is σ = 1426896. Its totient is φ = 1373944.

The previous prime is 1400417. The next prime is 1400423. The reversal of 1400419 is 9140041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9140041 = 65313997.

It is a cyclic number.

It is not a de Polignac number, because 1400419 - 21 = 1400417 is a prime.

It is a super-2 number, since 2×14004192 = 3922346751122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1400396 and 1400405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13159 + ... + 13264.

It is an arithmetic number, because the mean of its divisors is an integer number (356724).

21400419 is an apocalyptic number.

1400419 is a deficient number, since it is larger than the sum of its proper divisors (26477).

1400419 is an equidigital number, since it uses as much as digits as its factorization.

1400419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26476.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1400419 is about 1183.3930031904. The cubic root of 1400419 is about 111.8800533489.

The spelling of 1400419 in words is "one million, four hundred thousand, four hundred nineteen".

Divisors: 1 53 26423 1400419