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121398704 = 2474126437
BaseRepresentation
bin1110011110001…
…10010110110000
322110102200201022
413033012112300
5222034224304
620013555012
73002605040
oct717062660
9273380638
10121398704
1162587709
12347a5a68
131c1c676b
14121a1720
15a9ceebe
hex73c65b0

121398704 has 40 divisors (see below), whose sum is σ = 275378208. Its totient is φ = 50757120.

The previous prime is 121398679. The next prime is 121398709. The reversal of 121398704 is 407893121.

It is not an unprimeable number, because it can be changed into a prime (121398709) 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, 8627 + ... + 17810.

Almost surely, 2121398704 is an apocalyptic number.

121398704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121398704 is an abundant number, since it is smaller than the sum of its proper divisors (153979504).

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

121398704 is a wasteful number, since it uses less digits than its factorization.

121398704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26493 (or 26487 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 121398704 is about 11018.1080045532. The cubic root of 121398704 is about 495.1514062573.

The spelling of 121398704 in words is "one hundred twenty-one million, three hundred ninety-eight thousand, seven hundred four".

Divisors: 1 2 4 7 8 14 16 28 41 56 82 112 164 287 328 574 656 1148 2296 4592 26437 52874 105748 185059 211496 370118 422992 740236 1083917 1480472 2167834 2960944 4335668 7587419 8671336 15174838 17342672 30349676 60699352 121398704