Search a number
-
+
89129541 = 31131631613
BaseRepresentation
bin1010101000000…
…00001001000101
320012201020202010
411110000021011
5140304121131
612502204433
72131405614
oct524001105
9205636663
1089129541
1146347386
1225a23719
1315608997
14bba187b
157c58b46
hex5500245

89129541 has 16 divisors (see below), whose sum is σ = 120701376. Its totient is φ = 58496256.

The previous prime is 89129539. The next prime is 89129543. The reversal of 89129541 is 14592198.

It is an interprime number because it is at equal distance from previous prime (89129539) and next prime (89129543).

It is not a de Polignac number, because 89129541 - 21 = 89129539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89129541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89129543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54451 + ... + 56063.

It is an arithmetic number, because the mean of its divisors is an integer number (7543836).

Almost surely, 289129541 is an apocalyptic number.

It is an amenable number.

89129541 is a deficient number, since it is larger than the sum of its proper divisors (31571835).

89129541 is a wasteful number, since it uses less digits than its factorization.

89129541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892.

The product of its digits is 25920, while the sum is 39.

The square root of 89129541 is about 9440.8442948711. The cubic root of 89129541 is about 446.6910216046.

The spelling of 89129541 in words is "eighty-nine million, one hundred twenty-nine thousand, five hundred forty-one".

Divisors: 1 3 113 163 339 489 1613 4839 18419 55257 182269 262919 546807 788757 29709847 89129541