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10031058 = 232557281
BaseRepresentation
bin100110010000…
…111111010010
3200212122000200
4212100333102
510031443213
6555000030
7151156032
oct46207722
920778020
1010031058
115731534
123439016
132102a4b
1414918c2
15d32273
hex990fd2

10031058 has 12 divisors (see below), whose sum is σ = 21733998. Its totient is φ = 3343680.

The previous prime is 10031053. The next prime is 10031113. The reversal of 10031058 is 85013001.

It is a happy number.

10031058 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9903609 + 127449 = 3147^2 + 357^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 557281 = 10031058 / (1 + 0 + 0 + 3 + 1 + 0 + 5 + 8).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10031058.

It is not an unprimeable number, because it can be changed into a prime (10031051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278623 + ... + 278658.

Almost surely, 210031058 is an apocalyptic number.

10031058 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10031058 is an abundant number, since it is smaller than the sum of its proper divisors (11702940).

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

10031058 is a wasteful number, since it uses less digits than its factorization.

10031058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557289 (or 557286 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 10031058 is about 3167.1845541427. The cubic root of 10031058 is about 215.6662799354. Note that the first 3 decimals are identical.

Adding to 10031058 its reverse (85013001), we get a palindrome (95044059).

The spelling of 10031058 in words is "ten million, thirty-one thousand, fifty-eight".

Divisors: 1 2 3 6 9 18 557281 1114562 1671843 3343686 5015529 10031058