[go: up one dir, main page]

Search a number
-
+
89147968 = 2671315307
BaseRepresentation
bin1010101000001…
…00101001000000
320012202012000121
411110010221000
5140310213333
612502430024
72131513420
oct524045100
9205665017
1089147968
114635a208
1225a32314
13156141a0
14bba8480
157c5e32d
hex5504a40

89147968 has 56 divisors (see below), whose sum is σ = 217740992. Its totient is φ = 35265024.

The previous prime is 89147963. The next prime is 89147999. The reversal of 89147968 is 86974198.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (89147963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1830 + ... + 13477.

It is an arithmetic number, because the mean of its divisors is an integer number (3888232).

Almost surely, 289147968 is an apocalyptic number.

It is an amenable number.

89147968 is an abundant number, since it is smaller than the sum of its proper divisors (128593024).

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

89147968 is a wasteful number, since it uses less digits than its factorization.

89147968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15339 (or 15329 counting only the distinct ones).

The product of its digits is 870912, while the sum is 52.

The square root of 89147968 is about 9441.8201635066. The cubic root of 89147968 is about 446.7218030499.

The spelling of 89147968 in words is "eighty-nine million, one hundred forty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 182 208 224 364 416 448 728 832 1456 2912 5824 15307 30614 61228 107149 122456 198991 214298 244912 397982 428596 489824 795964 857192 979648 1392937 1591928 1714384 2785874 3183856 3428768 5571748 6367712 6857536 11143496 12735424 22286992 44573984 89147968