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1403401444 = 22187312
BaseRepresentation
bin101001110100110…
…0011010011100100
310121210202011212021
41103221203103210
510333232321234
6351131432524
746530500254
oct12351432344
93553664767
101403401444
11660202305
12331bb5744
1319499ca73
14d4559964
15833179b4
hex53a634e4

1403401444 has 9 divisors (see below), whose sum is σ = 2456083651. Its totient is φ = 701663260.

The previous prime is 1403401409. The next prime is 1403401457. The reversal of 1403401444 is 4441043041.

It is a happy number.

The square root of 1403401444 is 37462.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×14034014442 = 3939071226042570272, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 65559 + ... + 84289.

Almost surely, 21403401444 is an apocalyptic number.

1403401444 is the 37462-nd square number.

It is an amenable number.

1403401444 is a deficient number, since it is larger than the sum of its proper divisors (1052682207).

1403401444 is an frugal number, since it uses more digits than its factorization.

1403401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37466 (or 18733 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The cubic root of 1403401444 is about 1119.5941992882.

Multiplying 1403401444 by its sum of digits (25), we get a square (35085036100 = 1873102).

Adding to 1403401444 its reverse (4441043041), we get a palindrome (5844444485).

The spelling of 1403401444 in words is "one billion, four hundred three million, four hundred one thousand, four hundred forty-four".

Divisors: 1 2 4 18731 37462 74924 350850361 701700722 1403401444