Search a number
-
+
93640100 = 2252936401
BaseRepresentation
bin1011001010011…
…01010110100100
320112012102001212
411211031112210
5142432440400
613143010552
72214633131
oct545152644
9215172055
1093640100
1148948214
1227439a58
1316527a58
14c617588
15834a335
hex594d5a4

93640100 has 18 divisors (see below), whose sum is σ = 203199234. Its totient is φ = 37456000.

The previous prime is 93640051. The next prime is 93640109. The reversal of 93640100 is 104639.

It can be written as a sum of positive squares in 3 ways, for example, as 53824 + 93586276 = 232^2 + 9674^2 .

It is not an unprimeable number, because it can be changed into a prime (93640109) 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 5 ways as a sum of consecutive naturals, for example, 468101 + ... + 468300.

Almost surely, 293640100 is an apocalyptic number.

It is an amenable number.

93640100 is an abundant number, since it is smaller than the sum of its proper divisors (109559134).

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

93640100 is a wasteful number, since it uses less digits than its factorization.

93640100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936415 (or 936408 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 93640100 is about 9676.7814897310. The cubic root of 93640100 is about 454.1025663071.

Adding to 93640100 its reverse (104639), we get a palindrome (93744739).

The spelling of 93640100 in words is "ninety-three million, six hundred forty thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 936401 1872802 3745604 4682005 9364010 18728020 23410025 46820050 93640100