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23494224 = 24313231637
BaseRepresentation
bin101100110011…
…1111001010000
31122012122000110
41121213321100
522003303344
62155321320
7403461165
oct131477120
948178013
1023494224
1112297616
127a50240
134b37a10
14319806c
1520e13b9
hex1667e50

23494224 has 80 divisors (see below), whose sum is σ = 68245632. Its totient is φ = 6910464.

The previous prime is 23494193. The next prime is 23494253. The reversal of 23494224 is 42249432.

It is a super-2 number, since 2×234942242 = 1103957122724352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23494191 and 23494200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13534 + ... + 15170.

Almost surely, 223494224 is an apocalyptic number.

23494224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23494224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34122816).

23494224 is an abundant number, since it is smaller than the sum of its proper divisors (44751408).

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

23494224 is a wasteful number, since it uses less digits than its factorization.

23494224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684 (or 1678 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 23494224 is about 4847.0840718931. The cubic root of 23494224 is about 286.4092467079.

The spelling of 23494224 in words is "twenty-three million, four hundred ninety-four thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 13 16 23 24 26 39 46 48 52 69 78 92 104 138 156 184 208 276 299 312 368 552 598 624 897 1104 1196 1637 1794 2392 3274 3588 4784 4911 6548 7176 9822 13096 14352 19644 21281 26192 37651 39288 42562 63843 75302 78576 85124 112953 127686 150604 170248 225906 255372 301208 340496 451812 489463 510744 602416 903624 978926 1021488 1468389 1807248 1957852 2936778 3915704 5873556 7831408 11747112 23494224