Search a number
-
+
89209406 = 211132711151
BaseRepresentation
bin1010101000100…
…11101000111110
320012212022022002
411110103220332
5140314200111
612504022302
72132160506
oct524235076
9205768262
1089209406
11463a1390
1225a61992
1315636140
14bbc2a06
157c7263b
hex5513a3e

89209406 has 32 divisors (see below), whose sum is σ = 157925376. Its totient is φ = 37260000.

The previous prime is 89209403. The next prime is 89209447. The reversal of 89209406 is 60490298.

It is a self number, because there is not a number n which added to its sum of digits gives 89209406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89209403) 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, 76931 + ... + 78081.

It is an arithmetic number, because the mean of its divisors is an integer number (4935168).

Almost surely, 289209406 is an apocalyptic number.

89209406 is a deficient number, since it is larger than the sum of its proper divisors (68715970).

89209406 is a wasteful number, since it uses less digits than its factorization.

89209406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 89209406 is about 9445.0731071813. The cubic root of 89209406 is about 446.8244017303.

The spelling of 89209406 in words is "eighty-nine million, two hundred nine thousand, four hundred six".

Divisors: 1 2 11 13 22 26 143 271 286 542 1151 2302 2981 3523 5962 7046 12661 14963 25322 29926 38753 77506 164593 311921 329186 623842 3431131 4054973 6862262 8109946 44604703 89209406