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1400041213 = 1907734159
BaseRepresentation
bin101001101110010…
…1110111011111101
310121120102110111021
41103130232323331
510331402304323
6350531424141
746460103544
oct12334567375
93546373437
101400041213
1165931775a
12330a55051
1319409446c
14d3d2315b
1582da205d
hex5372eefd

1400041213 has 4 divisors (see below), whose sum is σ = 1400777280. Its totient is φ = 1399305148.

The previous prime is 1400041183. The next prime is 1400041219. The reversal of 1400041213 is 3121400041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1400041213 - 29 = 1400040701 is a prime.

It is a super-2 number, since 2×14000412132 = 3920230796197022738, 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 (1400041219) 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, 365173 + ... + 368986.

It is an arithmetic number, because the mean of its divisors is an integer number (350194320).

Almost surely, 21400041213 is an apocalyptic number.

It is an amenable number.

1400041213 is a deficient number, since it is larger than the sum of its proper divisors (736067).

1400041213 is an equidigital number, since it uses as much as digits as its factorization.

1400041213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736066.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1400041213 is about 37417.1245955645. The cubic root of 1400041213 is about 1118.6999192421.

Adding to 1400041213 its reverse (3121400041), we get a palindrome (4521441254).

The spelling of 1400041213 in words is "one billion, four hundred million, forty-one thousand, two hundred thirteen".

Divisors: 1 1907 734159 1400041213