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121714398 = 23213618527
BaseRepresentation
bin1110100000100…
…11011011011110
322111000201202200
413100103123132
5222124330043
620024432330
73005361321
oct720233336
9274021680
10121714398
1162782913
12349186a6
131c2a7370
14122447b8
15aa437d3
hex74136de

121714398 has 48 divisors (see below), whose sum is σ = 288689856. Its totient is φ = 36832320.

The previous prime is 121714391. The next prime is 121714403. The reversal of 121714398 is 893417121.

It is a happy number.

121714398 is a `hidden beast` number, since 1 + 217 + 1 + 439 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121714391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10011 + ... + 18537.

It is an arithmetic number, because the mean of its divisors is an integer number (6014372).

Almost surely, 2121714398 is an apocalyptic number.

121714398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121714398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144344928).

121714398 is an abundant number, since it is smaller than the sum of its proper divisors (166975458).

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

121714398 is a wasteful number, since it uses less digits than its factorization.

121714398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8609 (or 8606 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 121714398 is about 11032.4248467869. The cubic root of 121714398 is about 495.5802439619.

The spelling of 121714398 in words is "one hundred twenty-one million, seven hundred fourteen thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 9 13 18 26 39 61 78 117 122 183 234 366 549 793 1098 1586 2379 4758 7137 8527 14274 17054 25581 51162 76743 110851 153486 221702 332553 520147 665106 997659 1040294 1560441 1995318 3120882 4681323 6761911 9362646 13523822 20285733 40571466 60857199 121714398