Search a number
-
+
93909680 = 2454128631
BaseRepresentation
bin1011001100011…
…11001010110000
320112201002212022
411212033022300
5143020102210
613152451012
72220135104
oct546171260
9215632768
1093909680
1149011807
1227549a68
13165c0677
14c687904
1583a0155
hex598f2b0

93909680 has 40 divisors (see below), whose sum is σ = 223673184. Its totient is φ = 36646400.

The previous prime is 93909653. The next prime is 93909691. The reversal of 93909680 is 8690939.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11036 + ... + 17595.

Almost surely, 293909680 is an apocalyptic number.

It is an amenable number.

93909680 is an abundant number, since it is smaller than the sum of its proper divisors (129763504).

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

93909680 is a wasteful number, since it uses less digits than its factorization.

93909680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28685 (or 28679 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 93909680 is about 9690.7006970600. The cubic root of 93909680 is about 454.5379199721.

The spelling of 93909680 in words is "ninety-three million, nine hundred nine thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 41 80 82 164 205 328 410 656 820 1640 3280 28631 57262 114524 143155 229048 286310 458096 572620 1145240 1173871 2290480 2347742 4695484 5869355 9390968 11738710 18781936 23477420 46954840 93909680