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10042743 = 323145547
BaseRepresentation
bin100110010011…
…110101110111
3200220020001110
4212103311313
510032331433
6555130103
7151235064
oct46236567
920806043
1010042743
11573a297
123443933
132108169
141495c6b
15d35963
hex993d77

10042743 has 8 divisors (see below), whose sum is σ = 13972608. Its totient is φ = 6404024.

The previous prime is 10042741. The next prime is 10042757. The reversal of 10042743 is 34724001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10042743 - 21 = 10042741 is a prime.

It is a super-3 number, since 3×100427433 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10042741) 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, 72705 + ... + 72842.

It is an arithmetic number, because the mean of its divisors is an integer number (1746576).

Almost surely, 210042743 is an apocalyptic number.

10042743 is a deficient number, since it is larger than the sum of its proper divisors (3929865).

10042743 is a wasteful number, since it uses less digits than its factorization.

10042743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145573.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 10042743 is about 3169.0287155531. The cubic root of 10042743 is about 215.7499893703.

Adding to 10042743 its reverse (34724001), we get a palindrome (44766744).

The spelling of 10042743 in words is "ten million, forty-two thousand, seven hundred forty-three".

Divisors: 1 3 23 69 145547 436641 3347581 10042743