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10045940 = 2252321839
BaseRepresentation
bin100110010100…
…100111110100
3200220101102212
4212110213310
510032432230
6555152552
7151250312
oct46244764
920811385
1010045940
115741733
123445758
132109758
1414970b2
15d36895
hex9949f4

10045940 has 24 divisors (see below), whose sum is σ = 22014720. Its totient is φ = 3843488.

The previous prime is 10045939. The next prime is 10045949. The reversal of 10045940 is 4954001.

It is a happy number.

10045940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10045949) 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, 10460 + ... + 11379.

It is an arithmetic number, because the mean of its divisors is an integer number (917280).

Almost surely, 210045940 is an apocalyptic number.

10045940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10045940 is an abundant number, since it is smaller than the sum of its proper divisors (11968780).

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

10045940 is a wasteful number, since it uses less digits than its factorization.

10045940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21871 (or 21869 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 10045940 is about 3169.5330886426. The cubic root of 10045940 is about 215.7728808432.

Adding to 10045940 its reverse (4954001), we get a palindrome (14999941).

The spelling of 10045940 in words is "ten million, forty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 21839 43678 87356 109195 218390 436780 502297 1004594 2009188 2511485 5022970 10045940