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121438062 = 2332248853
BaseRepresentation
bin1110011110011…
…11111101101110
322110111200201000
413033033331232
5222042004222
620014501130
73003130554
oct717177556
9273450630
10121438062
1162604239
12348047a6
131c20b655
14121b1bd4
15a9db9ac
hex73cff6e

121438062 has 16 divisors (see below), whose sum is σ = 269862480. Its totient is φ = 40479336.

The previous prime is 121438061. The next prime is 121438069. The reversal of 121438062 is 260834121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121438061) 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, 1124373 + ... + 1124480.

It is an arithmetic number, because the mean of its divisors is an integer number (16866405).

Almost surely, 2121438062 is an apocalyptic number.

121438062 is an abundant number, since it is smaller than the sum of its proper divisors (148424418).

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

121438062 is a wasteful number, since it uses less digits than its factorization.

121438062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248864 (or 2248858 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 121438062 is about 11019.8939196346. The cubic root of 121438062 is about 495.2049105720.

The spelling of 121438062 in words is "one hundred twenty-one million, four hundred thirty-eight thousand, sixty-two".

Divisors: 1 2 3 6 9 18 27 54 2248853 4497706 6746559 13493118 20239677 40479354 60719031 121438062