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23998950 = 2335229613
BaseRepresentation
bin101101110001…
…1000111100110
31200011021101000
41123203013212
522120431300
62214214130
7410662533
oct133430746
950137330
1023998950
1112601848
128054346
134c83681
143289d8a
152190c00
hex16e31e6

23998950 has 96 divisors (see below), whose sum is σ = 68522400. Its totient is φ = 6168960.

The previous prime is 23998943. The next prime is 23998963. The reversal of 23998950 is 5989932.

It is a super-2 number, since 2×239989502 = 1151899202205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 23998896 and 23998905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38844 + ... + 39456.

It is an arithmetic number, because the mean of its divisors is an integer number (713775).

Almost surely, 223998950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23998950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34261200).

23998950 is an abundant number, since it is smaller than the sum of its proper divisors (44523450).

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

23998950 is a wasteful number, since it uses less digits than its factorization.

23998950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 23998950 is about 4898.8723192180. The cubic root of 23998950 is about 288.4457074389.

The spelling of 23998950 in words is "twenty-three million, nine hundred ninety-eight thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 27 29 30 45 50 54 58 75 87 90 135 145 150 174 225 261 270 290 435 450 522 613 675 725 783 870 1226 1305 1350 1450 1566 1839 2175 2610 3065 3678 3915 4350 5517 6130 6525 7830 9195 11034 13050 15325 16551 17777 18390 19575 27585 30650 33102 35554 39150 45975 53331 55170 82755 88885 91950 106662 137925 159993 165510 177770 266655 275850 319986 413775 444425 479979 533310 799965 827550 888850 959958 1333275 1599930 2399895 2666550 3999825 4799790 7999650 11999475 23998950