[go: up one dir, main page]

Search a number
-
+
29780032 = 262320231
BaseRepresentation
bin111000110011…
…0100001000000
32002000222112011
41301212201000
530110430112
62542142304
7511061152
oct161464100
962028464
1029780032
11158a01a7
129b81994
136228b29
143d52ad2
152933aa7
hex1c66840

29780032 has 28 divisors (see below), whose sum is σ = 61667136. Its totient is φ = 14241920.

The previous prime is 29780029. The next prime is 29780053. The reversal of 29780032 is 23008792.

It is a junction number, because it is equal to n+sod(n) for n = 29779976 and 29780003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8644 + ... + 11587.

Almost surely, 229780032 is an apocalyptic number.

It is an amenable number.

29780032 is an abundant number, since it is smaller than the sum of its proper divisors (31887104).

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

29780032 is a wasteful number, since it uses less digits than its factorization.

29780032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20266 (or 20256 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 29780032 is about 5457.1083918134. The cubic root of 29780032 is about 309.9619516258.

The spelling of 29780032 in words is "twenty-nine million, seven hundred eighty thousand, thirty-two".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 368 736 1472 20231 40462 80924 161848 323696 465313 647392 930626 1294784 1861252 3722504 7445008 14890016 29780032