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23417973828 = 2234100971633
BaseRepresentation
bin10101110011110100…
…011110110001000100
32020110001001022220000
4111303310132301010
5340430000130303
614431424241300
71456214331114
oct256364366104
966401038800
1023417973828
119a27921387
124656770230
132292854862
1411c2211044
15920d73da3
hex573d1ec44

23417973828 has 60 divisors (see below), whose sum is σ = 61280737980. Its totient is φ = 7798146048.

The previous prime is 23417973823. The next prime is 23417973847. The reversal of 23417973828 is 82837971432.

It can be written as a sum of positive squares in 2 ways, for example, as 5246394624 + 18171579204 = 72432^2 + 134802^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (23417973823) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 291100 + ... + 362732.

It is an arithmetic number, because the mean of its divisors is an integer number (1021345633).

Almost surely, 223417973828 is an apocalyptic number.

It is an amenable number.

23417973828 is an abundant number, since it is smaller than the sum of its proper divisors (37862764152).

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

23417973828 is a wasteful number, since it uses less digits than its factorization.

23417973828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72658 (or 72647 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 23417973828 in words is "twenty-three billion, four hundred seventeen million, nine hundred seventy-three thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 1009 2018 3027 4036 6054 9081 12108 18162 27243 36324 54486 71633 81729 108972 143266 163458 214899 286532 326916 429798 644697 859596 1289394 1934091 2578788 3868182 5802273 7736364 11604546 23209092 72277697 144555394 216833091 289110788 433666182 650499273 867332364 1300998546 1951497819 2601997092 3902995638 5854493457 7805991276 11708986914 23417973828