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121716952 = 23713611597
BaseRepresentation
bin1110100000101…
…00000011011000
322111000212021021
413100110003120
5222124420302
620024452224
73005401630
oct720240330
9274025237
10121716952
1162784825
123491a074
131c2a8586
14122456c0
15aa44437
hex74140d8

121716952 has 32 divisors (see below), whose sum is σ = 261177120. Its totient is φ = 52093440.

The previous prime is 121716949. The next prime is 121716953. The reversal of 121716952 is 259617121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121716953) 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, 75418 + ... + 77014.

It is an arithmetic number, because the mean of its divisors is an integer number (8161785).

Almost surely, 2121716952 is an apocalyptic number.

It is an amenable number.

121716952 is an abundant number, since it is smaller than the sum of its proper divisors (139460168).

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

121716952 is a wasteful number, since it uses less digits than its factorization.

121716952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971 (or 2967 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The square root of 121716952 is about 11032.5405958918. The cubic root of 121716952 is about 495.5837102817.

The spelling of 121716952 in words is "one hundred twenty-one million, seven hundred sixteen thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 1361 1597 2722 3194 5444 6388 9527 10888 11179 12776 19054 22358 38108 44716 76216 89432 2173517 4347034 8694068 15214619 17388136 30429238 60858476 121716952