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121463242 = 260731621
BaseRepresentation
bin1110011110101…
…10000111001010
322110112222020121
413033112013022
5222043310432
620015213454
73003264145
oct717260712
9273488217
10121463242
116262114a
123481728a
131c219c54
14121bb05c
15a9e4197
hex73d61ca

121463242 has 4 divisors (see below), whose sum is σ = 182194866. Its totient is φ = 60731620.

The previous prime is 121463233. The next prime is 121463263. The reversal of 121463242 is 242364121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242364121 = 1714256713.

It can be written as a sum of positive squares in only one way, i.e., 120362841 + 1100401 = 10971^2 + 1049^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30365809 + ... + 30365812.

Almost surely, 2121463242 is an apocalyptic number.

121463242 is a deficient number, since it is larger than the sum of its proper divisors (60731624).

121463242 is an equidigital number, since it uses as much as digits as its factorization.

121463242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60731623.

The product of its digits is 2304, while the sum is 25.

The square root of 121463242 is about 11021.0363396552. The cubic root of 121463242 is about 495.2391348718.

The spelling of 121463242 in words is "one hundred twenty-one million, four hundred sixty-three thousand, two hundred forty-two".

Divisors: 1 2 60731621 121463242