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10421454 = 237872207
BaseRepresentation
bin100111110000…
…010011001110
3201121110112210
4213300103032
510131441304
61011211250
7154403151
oct47602316
921543483
1010421454
11597887a
1235a6b26
13220b654
141553c98
15dacc89
hex9f04ce

10421454 has 16 divisors (see below), whose sum is σ = 20878848. Its totient is φ = 3467832.

The previous prime is 10421449. The next prime is 10421471. The reversal of 10421454 is 45412401.

It is a happy number.

10421454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 10421454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3619 + ... + 5825.

It is an arithmetic number, because the mean of its divisors is an integer number (1304928).

Almost surely, 210421454 is an apocalyptic number.

10421454 is an abundant number, since it is smaller than the sum of its proper divisors (10457394).

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

10421454 is a wasteful number, since it uses less digits than its factorization.

10421454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 10421454 is about 3228.2276871373. The cubic root of 10421454 is about 218.4285680270.

Adding to 10421454 its reverse (45412401), we get a palindrome (55833855).

The spelling of 10421454 in words is "ten million, four hundred twenty-one thousand, four hundred fifty-four".

Divisors: 1 2 3 6 787 1574 2207 2361 4414 4722 6621 13242 1736909 3473818 5210727 10421454