Search a number
-
+
193152672 = 2532670669
BaseRepresentation
bin10111000001101…
…00011010100000
3111110110011122200
423200310122200
5343421341142
631055533200
74533525216
oct1340643240
9443404580
10193152672
119a036509
125482a200
133102a72b
141b91ccb6
1511e5564c
hexb8346a0

193152672 has 36 divisors (see below), whose sum is σ = 549278730. Its totient is φ = 64384128.

The previous prime is 193152647. The next prime is 193152679. The reversal of 193152672 is 276251391.

It can be written as a sum of positive squares in only one way, i.e., 172029456 + 21123216 = 13116^2 + 4596^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 (193152679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 335047 + ... + 335622.

Almost surely, 2193152672 is an apocalyptic number.

193152672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

193152672 is an abundant number, since it is smaller than the sum of its proper divisors (356126058).

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

193152672 is a wasteful number, since it uses less digits than its factorization.

193152672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670685 (or 670674 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 193152672 is about 13897.9376887364. The cubic root of 193152672 is about 578.0519982115.

The spelling of 193152672 in words is "one hundred ninety-three million, one hundred fifty-two thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 670669 1341338 2012007 2682676 4024014 5365352 6036021 8048028 10730704 12072042 16096056 21461408 24144084 32192112 48288168 64384224 96576336 193152672