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10787428 = 224165777
BaseRepresentation
bin101001001001…
…101001100100
3202022001120101
4221021221210
510230144203
61023113444
7160456141
oct51115144
922261511
1010787428
1160a8833
123742884
1323090c2
14160b3c8
15e3141d
hexa49a64

10787428 has 12 divisors (see below), whose sum is σ = 19338732. Its totient is φ = 5262080.

The previous prime is 10787377. The next prime is 10787443. The reversal of 10787428 is 82478701.

It can be written as a sum of positive squares in 2 ways, for example, as 3268864 + 7518564 = 1808^2 + 2742^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32725 + ... + 33052.

It is an arithmetic number, because the mean of its divisors is an integer number (1611561).

Almost surely, 210787428 is an apocalyptic number.

It is an amenable number.

10787428 is a deficient number, since it is larger than the sum of its proper divisors (8551304).

10787428 is a wasteful number, since it uses less digits than its factorization.

10787428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65822 (or 65820 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 10787428 is about 3284.4220191687. The cubic root of 10787428 is about 220.9560869050.

The spelling of 10787428 in words is "ten million, seven hundred eighty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 41 82 164 65777 131554 263108 2696857 5393714 10787428