Search a number
-
+
12145914 = 2321161343
BaseRepresentation
bin101110010101…
…010011111010
3211212002001200
4232111103322
511102132124
61112155030
7205144554
oct56252372
924762050
1012145914
116946450
124098a76
132693541
1418824d4
1510edbc9
hexb954fa

12145914 has 24 divisors (see below), whose sum is σ = 28708992. Its totient is φ = 3680520.

The previous prime is 12145907. The next prime is 12145937. The reversal of 12145914 is 41954121.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30474 + ... + 30869.

It is an arithmetic number, because the mean of its divisors is an integer number (1196208).

Almost surely, 212145914 is an apocalyptic number.

12145914 is an abundant number, since it is smaller than the sum of its proper divisors (16563078).

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

12145914 is a wasteful number, since it uses less digits than its factorization.

12145914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61362 (or 61359 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 12145914 is about 3485.0988508219. The cubic root of 12145914 is about 229.8670561263.

The spelling of 12145914 in words is "twelve million, one hundred forty-five thousand, nine hundred fourteen".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 61343 122686 184029 368058 552087 674773 1104174 1349546 2024319 4048638 6072957 12145914