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1234200401 = 72347211773
BaseRepresentation
bin100100110010000…
…0110011101010001
310012000100212122222
41021210012131101
510011423403101
6322245110425
742404346620
oct11144063521
93160325588
101234200401
11583746035
122a53b8415
1316890a2c5
14b9cb36b7
157354401b
hex49906751

1234200401 has 32 divisors (see below), whose sum is σ = 1512235008. Its totient is φ = 984392640.

The previous prime is 1234200397. The next prime is 1234200403. The reversal of 1234200401 is 1040024321.

It is not a de Polignac number, because 1234200401 - 22 = 1234200397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1234200401.

It is not an unprimeable number, because it can be changed into a prime (1234200403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1596251 + ... + 1597023.

It is an arithmetic number, because the mean of its divisors is an integer number (47257344).

Almost surely, 21234200401 is an apocalyptic number.

It is an amenable number.

1234200401 is a deficient number, since it is larger than the sum of its proper divisors (278034607).

1234200401 is a wasteful number, since it uses less digits than its factorization.

1234200401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1234200401 is about 35131.1884370569. The cubic root of 1234200401 is about 1072.6595270588.

Adding to 1234200401 its reverse (1040024321), we get a palindrome (2274224722).

The spelling of 1234200401 in words is "one billion, two hundred thirty-four million, two hundred thousand, four hundred one".

Divisors: 1 7 23 47 161 211 329 773 1081 1477 4853 5411 7567 9917 17779 33971 36331 69419 124453 163103 228091 254317 835613 1141721 1596637 3751369 5849291 7665841 26259583 53660887 176314343 1234200401