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10121349 = 373491381
BaseRepresentation
bin100110100111…
…000010000101
3201001012212210
4212213002011
510042340344
61000534033
7152013210
oct46470205
921035783
1010121349
115793357
123481319
132134b84
1414b6777
15d4ddb9
hex9a7085

10121349 has 16 divisors (see below), whose sum is σ = 15478400. Its totient is φ = 5762880.

The previous prime is 10121333. The next prime is 10121351. The reversal of 10121349 is 94312101.

10121349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10121349 - 24 = 10121333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6639 + ... + 8019.

It is an arithmetic number, because the mean of its divisors is an integer number (967400).

Almost surely, 210121349 is an apocalyptic number.

It is an amenable number.

10121349 is a deficient number, since it is larger than the sum of its proper divisors (5357051).

10121349 is a wasteful number, since it uses less digits than its factorization.

10121349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 10121349 is about 3181.4067643104. The cubic root of 10121349 is about 216.3114291944.

The spelling of 10121349 in words is "ten million, one hundred twenty-one thousand, three hundred forty-nine".

Divisors: 1 3 7 21 349 1047 1381 2443 4143 7329 9667 29001 481969 1445907 3373783 10121349