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10555240 = 235263881
BaseRepresentation
bin101000010000…
…111101101000
3201212021001211
4220100331220
510200231430
61014122504
7155501203
oct50207550
921767054
1010555240
115a5a343
123650434
132257507
14158a93a
15dd772a
hexa10f68

10555240 has 16 divisors (see below), whose sum is σ = 23749380. Its totient is φ = 4222080.

The previous prime is 10555231. The next prime is 10555271. The reversal of 10555240 is 4255501.

It can be written as a sum of positive squares in 2 ways, for example, as 9375844 + 1179396 = 3062^2 + 1086^2 .

It is a super-2 number, since 2×105552402 = 222826182915200, which contains 22 as substring.

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, 131901 + ... + 131980.

Almost surely, 210555240 is an apocalyptic number.

10555240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10555240 is an abundant number, since it is smaller than the sum of its proper divisors (13194140).

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

10555240 is a wasteful number, since it uses less digits than its factorization.

10555240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263892 (or 263888 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 10555240 is about 3248.8828849314. The cubic root of 10555240 is about 219.3592929017.

The spelling of 10555240 in words is "ten million, five hundred fifty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 263881 527762 1055524 1319405 2111048 2638810 5277620 10555240