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11406728 = 231783873
BaseRepresentation
bin101011100000…
…110110001000
3210110112002102
4223200312020
510410003403
61044252532
7165645524
oct53406610
923415072
1011406728
116491053
1239a1148
132494c58
14172cd84
151004b88
hexae0d88

11406728 has 16 divisors (see below), whose sum is σ = 22645980. Its totient is φ = 5367808.

The previous prime is 11406721. The next prime is 11406737. The reversal of 11406728 is 82760411.

It can be written as a sum of positive squares in 2 ways, for example, as 11303044 + 103684 = 3362^2 + 322^2 .

It is a super-2 number, since 2×114067282 = 260226887331968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11406728.

It is not an unprimeable number, because it can be changed into a prime (11406721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41801 + ... + 42072.

Almost surely, 211406728 is an apocalyptic number.

It is an amenable number.

11406728 is a deficient number, since it is larger than the sum of its proper divisors (11239252).

11406728 is a wasteful number, since it uses less digits than its factorization.

11406728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83896 (or 83892 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 11406728 is about 3377.3847870801. The cubic root of 11406728 is about 225.1059780586.

The spelling of 11406728 in words is "eleven million, four hundred six thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 17 34 68 136 83873 167746 335492 670984 1425841 2851682 5703364 11406728