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10021498 = 222921881
BaseRepresentation
bin100110001110…
…101001111010
3200212010220121
4212032221322
510031141443
6554443454
7151116124
oct46165172
920763817
1010021498
115725333
12343358a
1320cb5a6
14148c214
15d2e4ed
hex98ea7a

10021498 has 8 divisors (see below), whose sum is σ = 15098580. Its totient is φ = 4988640.

The previous prime is 10021469. The next prime is 10021499. The reversal of 10021498 is 89412001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9941409 + 80089 = 3153^2 + 283^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10021499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10483 + ... + 11398.

Almost surely, 210021498 is an apocalyptic number.

10021498 is a deficient number, since it is larger than the sum of its proper divisors (5077082).

10021498 is a wasteful number, since it uses less digits than its factorization.

10021498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22112.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 10021498 is about 3165.6749675227. The cubic root of 10021498 is about 215.5977452914.

Adding to 10021498 its reverse (89412001), we get a palindrome (99433499).

It can be divided in two parts, 1002 and 1498, that added together give a square (2500 = 502).

The spelling of 10021498 in words is "ten million, twenty-one thousand, four hundred ninety-eight".

Divisors: 1 2 229 458 21881 43762 5010749 10021498