Search a number
-
+
1405423152 = 243271394269
BaseRepresentation
bin101001111000101…
…0000111000110000
310121221112220010100
41103301100320300
510334242020102
6351243032400
746553620410
oct12361207060
93557486110
101405423152
11661363241
1233280b700
1319522a043
14d4924640
15835b6a1c
hex53c50e30

1405423152 has 60 divisors (see below), whose sum is σ = 4495126480. Its totient is φ = 401549184.

The previous prime is 1405423111. The next prime is 1405423153. The reversal of 1405423152 is 2513245041.

1405423152 is a `hidden beast` number, since 1 + 40 + 542 + 31 + 52 = 666.

It is not an unprimeable number, because it can be changed into a prime (1405423153) 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 11 ways as a sum of consecutive naturals, for example, 696127 + ... + 698142.

Almost surely, 21405423152 is an apocalyptic number.

1405423152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1405423152 is an abundant number, since it is smaller than the sum of its proper divisors (3089703328).

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

1405423152 is a wasteful number, since it uses less digits than its factorization.

1405423152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394290 (or 1394281 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1405423152 is about 37488.9737389542. The cubic root of 1405423152 is about 1120.1315619263.

Adding to 1405423152 its reverse (2513245041), we get a palindrome (3918668193).

The spelling of 1405423152 in words is "one billion, four hundred five million, four hundred twenty-three thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 1394269 2788538 4182807 5577076 8365614 9759883 11154152 12548421 16731228 19519766 22308304 25096842 29279649 33462456 39039532 50193684 58559298 66924912 78079064 87838947 100387368 117118596 156158128 175677894 200774736 234237192 351355788 468474384 702711576 1405423152