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121350 = 2352809
BaseRepresentation
bin11101101000000110
320011110110
4131220012
512340400
62333450
71013535
oct355006
9204413
10121350
1183199
125a286
1343308
143231c
1525e50
hex1da06

121350 has 24 divisors (see below), whose sum is σ = 301320. Its totient is φ = 32320.

The previous prime is 121349. The next prime is 121351. The reversal of 121350 is 53121.

It is an interprime number because it is at equal distance from previous prime (121349) and next prime (121351).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255 + ... + 554.

It is an arithmetic number, because the mean of its divisors is an integer number (12555).

2121350 is an apocalyptic number.

121350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121350 is an abundant number, since it is smaller than the sum of its proper divisors (179970).

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

121350 is a wasteful number, since it uses less digits than its factorization.

121350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 121350 is about 348.3532689670. The cubic root of 121350 is about 49.5085180729.

Adding to 121350 its reverse (53121), we get a palindrome (174471).

The spelling of 121350 in words is "one hundred twenty-one thousand, three hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 809 1618 2427 4045 4854 8090 12135 20225 24270 40450 60675 121350