Search a number
-
+
12152940 = 2235202549
BaseRepresentation
bin101110010111…
…000001101100
3211212102200220
4232113001230
511102343230
61112251340
7205204212
oct56270154
924772626
1012152940
116950758
1240a0b50
1326967b7
141884cb2
151100d10
hexb9706c

12152940 has 24 divisors (see below), whose sum is σ = 34028400. Its totient is φ = 3240768.

The previous prime is 12152939. The next prime is 12152941. The reversal of 12152940 is 4925121.

12152940 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12152939) and next prime (12152941).

It is a self number, because there is not a number n which added to its sum of digits gives 12152940.

It is not an unprimeable number, because it can be changed into a prime (12152941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101215 + ... + 101334.

It is an arithmetic number, because the mean of its divisors is an integer number (1417850).

Almost surely, 212152940 is an apocalyptic number.

12152940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12152940 is an abundant number, since it is smaller than the sum of its proper divisors (21875460).

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

12152940 is a wasteful number, since it uses less digits than its factorization.

12152940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202561 (or 202559 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 12152940 is about 3486.1067109313. The cubic root of 12152940 is about 229.9113710188.

It can be divided in two parts, 1215 and 2940, that multiplied together give a square (3572100 = 18902).

The spelling of 12152940 in words is "twelve million, one hundred fifty-two thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 202549 405098 607647 810196 1012745 1215294 2025490 2430588 3038235 4050980 6076470 12152940