Search a number
-
+
52432251552 = 2532293621353
BaseRepresentation
bin110000110101001101…
…001010101010100000
312000100002112100111200
4300311031022222200
51324340124022202
640030445041200
73534214533102
oct606515125240
9160302470450
1052432251552
11202667036aa
12a1b3556200
134c3793b425
142775787572
15156d18be1c
hexc3534aaa0

52432251552 has 72 divisors (see below), whose sum is σ = 149613344244. Its totient is φ = 17417739264.

The previous prime is 52432251467. The next prime is 52432251559. The reversal of 52432251552 is 25515223425.

52432251552 is a `hidden beast` number, since 5 + 24 + 32 + 2 + 51 + 552 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 52164732816 + 267518736 = 228396^2 + 16356^2 .

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 not an unprimeable number, because it can be changed into a prime (52432251559) 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, 226293 + ... + 395060.

Almost surely, 252432251552 is an apocalyptic number.

It is an amenable number.

52432251552 is an abundant number, since it is smaller than the sum of its proper divisors (97181092692).

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

52432251552 is a wasteful number, since it uses less digits than its factorization.

52432251552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621662 (or 621651 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

Adding to 52432251552 its reverse (25515223425), we get a palindrome (77947474977).

The spelling of 52432251552 in words is "fifty-two billion, four hundred thirty-two million, two hundred fifty-one thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 293 586 879 1172 1758 2344 2637 3516 4688 5274 7032 9376 10548 14064 21096 28128 42192 84384 621353 1242706 1864059 2485412 3728118 4970824 5592177 7456236 9941648 11184354 14912472 19883296 22368708 29824944 44737416 59649888 89474832 178949664 182056429 364112858 546169287 728225716 1092338574 1456451432 1638507861 2184677148 2912902864 3277015722 4369354296 5825805728 6554031444 8738708592 13108062888 17477417184 26216125776 52432251552