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1089294430 = 257313713567
BaseRepresentation
bin100000011101101…
…0101000001011110
32210220200220001011
41000323111001132
54212324410210
6300031205434
735664564340
oct10073250136
92726626034
101089294430
11509973034
1226497687a
131448a2c23
14a4953290
156596dd8a
hex40ed505e

1089294430 has 64 divisors (see below), whose sum is σ = 2375811072. Its totient is φ = 351630720.

The previous prime is 1089294343. The next prime is 1089294439. The reversal of 1089294430 is 344929801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089294439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73507 + ... + 87073.

It is an arithmetic number, because the mean of its divisors is an integer number (37122048).

Almost surely, 21089294430 is an apocalyptic number.

1089294430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089294430 is an abundant number, since it is smaller than the sum of its proper divisors (1286516642).

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

1089294430 is a wasteful number, since it uses less digits than its factorization.

1089294430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13649.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 1089294430 is about 33004.4607591156. The cubic root of 1089294430 is about 1028.9203599096.

The spelling of 1089294430 in words is "one billion, eighty-nine million, two hundred ninety-four thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 37 62 70 74 155 185 217 259 310 370 434 518 1085 1147 1295 2170 2294 2590 5735 8029 11470 13567 16058 27134 40145 67835 80290 94969 135670 189938 420577 474845 501979 841154 949690 1003958 2102885 2509895 2944039 3513853 4205770 5019790 5888078 7027706 14720195 15561349 17569265 29440390 31122698 35138530 77806745 108929443 155613490 217858886 544647215 1089294430