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121234632 = 2335051443
BaseRepresentation
bin1110011100111…
…10010011001000
322110010100122120
413032132103020
5222014002012
620010251240
73001322511
oct716362310
9273110576
10121234632
1162485412
1234726b20
131c169b8c
141215ba08
15a99b58c
hex739e4c8

121234632 has 16 divisors (see below), whose sum is σ = 303086640. Its totient is φ = 40411536.

The previous prime is 121234621. The next prime is 121234637. The reversal of 121234632 is 236432121.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 5051443 = 121234632 / (1 + 2 + 1 + 2 + 3 + 4 + 6 + 3 + 2).

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

It is not an unprimeable number, because it can be changed into a prime (121234637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525698 + ... + 2525745.

It is an arithmetic number, because the mean of its divisors is an integer number (18942915).

Almost surely, 2121234632 is an apocalyptic number.

121234632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121234632 is an abundant number, since it is smaller than the sum of its proper divisors (181852008).

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

121234632 is a wasteful number, since it uses less digits than its factorization.

121234632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051452 (or 5051448 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 121234632 is about 11010.6599257265. The cubic root of 121234632 is about 494.9282377348.

Adding to 121234632 its reverse (236432121), we get a palindrome (357666753).

The spelling of 121234632 in words is "one hundred twenty-one million, two hundred thirty-four thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 5051443 10102886 15154329 20205772 30308658 40411544 60617316 121234632