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1400421214 = 23718924611
BaseRepresentation
bin101001101111000…
…1011101101011110
310121121010202202101
41103132023231132
510332001434324
6350543515314
746463245453
oct12336135536
93547122671
101400421214
11659557205
12330bb8b3a
1319419840a
14d3dc182a
1582e29944
hex5378bb5e

1400421214 has 8 divisors (see below), whose sum is σ = 2157405768. Its totient is φ = 681285960.

The previous prime is 1400421199. The next prime is 1400421221. The reversal of 1400421214 is 4121240041.

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

It is a super-2 number, since 2×14004212142 = 3922359153242467592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1400421191 and 1400421200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9462232 + ... + 9462379.

It is an arithmetic number, because the mean of its divisors is an integer number (269675721).

Almost surely, 21400421214 is an apocalyptic number.

1400421214 is a deficient number, since it is larger than the sum of its proper divisors (756984554).

1400421214 is a wasteful number, since it uses less digits than its factorization.

1400421214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18924650.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1400421214 is about 37422.2021532672. The cubic root of 1400421214 is about 1118.8011230802.

Adding to 1400421214 its reverse (4121240041), we get a palindrome (5521661255).

The spelling of 1400421214 in words is "one billion, four hundred million, four hundred twenty-one thousand, two hundred fourteen".

Divisors: 1 2 37 74 18924611 37849222 700210607 1400421214