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1149390 = 23551143
BaseRepresentation
bin100011000100111001110
32011101200000
410120213032
5243240030
640345130
712524664
oct4304716
92141600
101149390
11715610
124751a6
13313218
1421cc34
1517a860
hex1189ce

1149390 has 96 divisors (see below), whose sum is σ = 3459456. Its totient is φ = 272160.

The previous prime is 1149373. The next prime is 1149403. The reversal of 1149390 is 939411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26709 + ... + 26751.

It is an arithmetic number, because the mean of its divisors is an integer number (36036).

21149390 is an apocalyptic number.

1149390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729728).

1149390 is an abundant number, since it is smaller than the sum of its proper divisors (2310066).

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

1149390 is a wasteful number, since it uses less digits than its factorization.

1149390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1149390 is about 1072.0960777841. The cubic root of 1149390 is about 104.7504276749.

The spelling of 1149390 in words is "one million, one hundred forty-nine thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 43 45 54 55 66 81 86 90 99 110 129 135 162 165 198 215 243 258 270 297 330 387 405 430 473 486 495 594 645 774 810 891 946 990 1161 1215 1290 1419 1485 1782 1935 2322 2365 2430 2673 2838 2970 3483 3870 4257 4455 4730 5346 5805 6966 7095 8514 8910 10449 11610 12771 13365 14190 17415 20898 21285 25542 26730 34830 38313 42570 52245 63855 76626 104490 114939 127710 191565 229878 383130 574695 1149390