Search a number
-
+
1408152738 = 231719726601
BaseRepresentation
bin101001111101110…
…1011010010100010
310122010200120102010
41103323223102202
510340441341423
6351421333350
746616046366
oct12373532242
93563616363
101408152738
11662957aa3
12333707256
13195974595
14d50352a6
1583955693
hex53eeb4a2

1408152738 has 32 divisors (see below), whose sum is σ = 3138920640. Its totient is φ = 418521600.

The previous prime is 1408152689. The next prime is 1408152751. The reversal of 1408152738 is 8372518041.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1408152696 and 1408152705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361363 + ... + 365238.

It is an arithmetic number, because the mean of its divisors is an integer number (98091270).

Almost surely, 21408152738 is an apocalyptic number.

1408152738 is an abundant number, since it is smaller than the sum of its proper divisors (1730767902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1408152738 is a wasteful number, since it uses less digits than its factorization.

1408152738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726642.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 1408152738 is about 37525.3612640838. The cubic root of 1408152738 is about 1120.8562590054.

The spelling of 1408152738 in words is "one billion, four hundred eight million, one hundred fifty-two thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 17 19 34 38 51 57 102 114 323 646 969 1938 726601 1453202 2179803 4359606 12352217 13805419 24704434 27610838 37056651 41416257 74113302 82832514 234692123 469384246 704076369 1408152738