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11061380 = 22511137367
BaseRepresentation
bin101010001100…
…100010000100
3202210222100202
4222030202010
510312431010
61033030032
7163006631
oct52144204
922728322
1011061380
116275640
123855318
1323a39c5
14167d188
15e876a5
hexa8c884

11061380 has 48 divisors (see below), whose sum is σ = 25595136. Its totient is φ = 3982080.

The previous prime is 11061377. The next prime is 11061397. The reversal of 11061380 is 8316011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29957 + ... + 30323.

It is an arithmetic number, because the mean of its divisors is an integer number (533232).

Almost surely, 211061380 is an apocalyptic number.

11061380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11061380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12797568).

11061380 is an abundant number, since it is smaller than the sum of its proper divisors (14533756).

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

11061380 is a wasteful number, since it uses less digits than its factorization.

11061380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 11061380 is about 3325.8653009405. The cubic root of 11061380 is about 222.8109023220.

Adding to 11061380 its reverse (8316011), we get a palindrome (19377391).

The spelling of 11061380 in words is "eleven million, sixty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 137 220 274 367 548 685 734 1370 1468 1507 1835 2740 3014 3670 4037 6028 7340 7535 8074 15070 16148 20185 30140 40370 50279 80740 100558 201116 251395 502790 553069 1005580 1106138 2212276 2765345 5530690 11061380