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89464980 = 223511212323
BaseRepresentation
bin1010101010100…
…10000010010100
320020100021212210
411111102002110
5140400334410
612513313420
72134303563
oct525220224
9206307783
1089464980
1146556400
1225b65870
13156c5577
14bc4bbda
157cc3220
hex5552094

89464980 has 72 divisors (see below), whose sum is σ = 275367456. Its totient is φ = 21686720.

The previous prime is 89464967. The next prime is 89464981. The reversal of 89464980 is 8946498.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89464981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1099 + ... + 13421.

It is an arithmetic number, because the mean of its divisors is an integer number (3824548).

Almost surely, 289464980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89464980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137683728).

89464980 is an abundant number, since it is smaller than the sum of its proper divisors (185902476).

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

89464980 is a wasteful number, since it uses less digits than its factorization.

89464980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12357 (or 12344 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 89464980 is about 9458.5929186111. The cubic root of 89464980 is about 447.2506939224.

The spelling of 89464980 in words is "eighty-nine million, four hundred sixty-four thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 121 132 165 220 242 330 363 484 605 660 726 1210 1452 1815 2420 3630 7260 12323 24646 36969 49292 61615 73938 123230 135553 147876 184845 246460 271106 369690 406659 542212 677765 739380 813318 1355530 1491083 1626636 2033295 2711060 2982166 4066590 4473249 5964332 7455415 8133180 8946498 14910830 17892996 22366245 29821660 44732490 89464980