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10121541 = 3233832
BaseRepresentation
bin100110100111…
…000101000101
3201001020010220
4212213011011
510042342131
61000534553
7152013603
oct46470505
921036126
1010121541
115793511
123481459
132134ca1
1414b6873
15d4de96
hex9a7145

10121541 has 12 divisors (see below), whose sum is σ = 14119008. Its totient is φ = 6437464.

The previous prime is 10121539. The next prime is 10121543. The reversal of 10121541 is 14512101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10121539) and next prime (10121543).

It is not a de Polignac number, because 10121541 - 21 = 10121539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10121541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26236 + ... + 26618.

It is an arithmetic number, because the mean of its divisors is an integer number (1176584).

Almost surely, 210121541 is an apocalyptic number.

It is an amenable number.

10121541 is a deficient number, since it is larger than the sum of its proper divisors (3997467).

10121541 is an frugal number, since it uses more digits than its factorization.

10121541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 10121541 is about 3181.4369394976. The cubic root of 10121541 is about 216.3127969808.

Adding to 10121541 its reverse (14512101), we get a palindrome (24633642).

The spelling of 10121541 in words is "ten million, one hundred twenty-one thousand, five hundred forty-one".

Divisors: 1 3 23 69 383 1149 8809 26427 146689 440067 3373847 10121541