Search a number
-
+
1405059552 = 253213375283
BaseRepresentation
bin101001110111111…
…1000000111100000
310121220212102100200
41103233320013200
510334143401202
6351231145200
746550544351
oct12357700740
93556772320
101405059552
11661135046
12332675200
131951306b0
14d486bd28
1583543e1c
hex53bf81e0

1405059552 has 72 divisors (see below), whose sum is σ = 4303006344. Its totient is φ = 432324864.

The previous prime is 1405059527. The next prime is 1405059553. The reversal of 1405059552 is 2559505041.

1405059552 is a `hidden beast` number, since 1 + 4 + 0 + 50 + 59 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405059553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183898 + ... + 191385.

It is an arithmetic number, because the mean of its divisors is an integer number (59763977).

Almost surely, 21405059552 is an apocalyptic number.

1405059552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1405059552 is an abundant number, since it is smaller than the sum of its proper divisors (2897946792).

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

1405059552 is a wasteful number, since it uses less digits than its factorization.

1405059552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375312 (or 375301 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 1405059552 is about 37484.1239993681. The cubic root of 1405059552 is about 1120.0349563920.

The spelling of 1405059552 in words is "one billion, four hundred five million, fifty-nine thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 234 288 312 416 468 624 936 1248 1872 3744 375283 750566 1125849 1501132 2251698 3002264 3377547 4503396 4878679 6004528 6755094 9006792 9757358 12009056 13510188 14636037 18013584 19514716 27020376 29272074 36027168 39029432 43908111 54040752 58544148 78058864 87816222 108081504 117088296 156117728 175632444 234176592 351264888 468353184 702529776 1405059552