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11328870 = 235773739
BaseRepresentation
bin101011001101…
…110101100110
3210022120021210
4223031311212
510400010440
61042452250
7165202530
oct53156546
923276253
1011328870
116438603
123964086
132468697
14170c850
15edba80
hexacdd66

11328870 has 64 divisors (see below), whose sum is σ = 31541760. Its totient is φ = 2550528.

The previous prime is 11328827. The next prime is 11328881. The reversal of 11328870 is 7882311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14961 + ... + 15699.

It is an arithmetic number, because the mean of its divisors is an integer number (492840).

Almost surely, 211328870 is an apocalyptic number.

11328870 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 11328870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15770880).

11328870 is an abundant number, since it is smaller than the sum of its proper divisors (20212890).

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

11328870 is a wasteful number, since it uses less digits than its factorization.

11328870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 11328870 is about 3365.8386770610. The cubic root of 11328870 is about 224.5926456609.

The spelling of 11328870 in words is "eleven million, three hundred twenty-eight thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 73 105 146 210 219 365 438 511 730 739 1022 1095 1478 1533 2190 2217 2555 3066 3695 4434 5110 5173 7390 7665 10346 11085 15330 15519 22170 25865 31038 51730 53947 77595 107894 155190 161841 269735 323682 377629 539470 755258 809205 1132887 1618410 1888145 2265774 3776290 5664435 11328870