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121470242 = 279768799
BaseRepresentation
bin1110011110101…
…11110100100010
322110120022211212
413033113310202
5222044021432
620015310122
73003323435
oct717276442
9273508755
10121470242
1162626433
123481b342
131c2201aa
14121bd81c
15a9e62b2
hex73d7d22

121470242 has 8 divisors (see below), whose sum is σ = 184512000. Its totient is φ = 59966244.

The previous prime is 121470233. The next prime is 121470247. The reversal of 121470242 is 242074121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121470247) 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, 384242 + ... + 384557.

It is an arithmetic number, because the mean of its divisors is an integer number (23064000).

Almost surely, 2121470242 is an apocalyptic number.

121470242 is a deficient number, since it is larger than the sum of its proper divisors (63041758).

121470242 is an equidigital number, since it uses as much as digits as its factorization.

121470242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768880.

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 121470242 is about 11021.3539095703. The cubic root of 121470242 is about 495.2486483325.

The spelling of 121470242 in words is "one hundred twenty-one million, four hundred seventy thousand, two hundred forty-two".

Divisors: 1 2 79 158 768799 1537598 60735121 121470242