Search a number
-
+
121343232 = 283157999
BaseRepresentation
bin1110011101110…
…00110100000000
322110022212121210
413032320310000
5222030440412
620012450120
73002254233
oct716706400
9273285553
10121343232
1162549a6a
1234779940
131c1a743a
141218941a
15a9bd83c
hex73b8d00

121343232 has 36 divisors (see below), whose sum is σ = 322952000. Its totient is φ = 40447488.

The previous prime is 121343227. The next prime is 121343273. The reversal of 121343232 is 232343121.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121343199 and 121343208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78232 + ... + 79767.

Almost surely, 2121343232 is an apocalyptic number.

121343232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121343232 is an abundant number, since it is smaller than the sum of its proper divisors (201608768).

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

121343232 is an equidigital number, since it uses as much as digits as its factorization.

121343232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158018 (or 158004 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 121343232 is about 11015.5904063287. The cubic root of 121343232 is about 495.0759765024.

Adding to 121343232 its reverse (232343121), we get a palindrome (353686353).

The spelling of 121343232 in words is "one hundred twenty-one million, three hundred forty-three thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 157999 315998 473997 631996 947994 1263992 1895988 2527984 3791976 5055968 7583952 10111936 15167904 20223872 30335808 40447744 60671616 121343232