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10506940 = 225677841
BaseRepresentation
bin101000000101…
…001010111100
3201202210210221
4220011022330
510142210230
61013111124
7155210323
oct50051274
921683727
1010506940
115a27024
1236284a4
13223b532
1415770ba
15dc827a
hexa052bc

10506940 has 24 divisors (see below), whose sum is σ = 22396752. Its totient is φ = 4139520.

The previous prime is 10506919. The next prime is 10506949. The reversal of 10506940 is 4960501.

It is a super-2 number, since 2×105069402 = 220791576327200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10506949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2581 + ... + 5260.

It is an arithmetic number, because the mean of its divisors is an integer number (933198).

Almost surely, 210506940 is an apocalyptic number.

10506940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10506940 is an abundant number, since it is smaller than the sum of its proper divisors (11889812).

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

10506940 is a wasteful number, since it uses less digits than its factorization.

10506940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7917 (or 7915 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 10506940 is about 3241.4410375634. The cubic root of 10506940 is about 219.0241905960.

The spelling of 10506940 in words is "ten million, five hundred six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 7841 15682 31364 39205 78410 156820 525347 1050694 2101388 2626735 5253470 10506940