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11315480 = 2351125717
BaseRepresentation
bin101011001010…
…100100011000
3210021212220212
4223022210120
510344043410
61042310252
7165115511
oct53124430
923255825
1011315480
116429540
123958388
132462567
141707a08
15ed7b05
hexaca918

11315480 has 32 divisors (see below), whose sum is σ = 27775440. Its totient is φ = 4114560.

The previous prime is 11315443. The next prime is 11315501. The reversal of 11315480 is 8451311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12419 + ... + 13298.

Almost surely, 211315480 is an apocalyptic number.

11315480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11315480 is an abundant number, since it is smaller than the sum of its proper divisors (16459960).

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

11315480 is a wasteful number, since it uses less digits than its factorization.

11315480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25739 (or 25735 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 11315480 is about 3363.8489859089. The cubic root of 11315480 is about 224.5041260611.

Adding to 11315480 its reverse (8451311), we get a palindrome (19766791).

The spelling of 11315480 in words is "eleven million, three hundred fifteen thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 25717 51434 102868 128585 205736 257170 282887 514340 565774 1028680 1131548 1414435 2263096 2828870 5657740 11315480