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23214620 = 22511138117
BaseRepresentation
bin101100010001…
…1101000011100
31121200102110202
41120203220130
521420331440
62145323032
7401215052
oct130435034
947612422
1023214620
1112116540
127936478
134a6a680
1431241d2
152088615
hex1623a1c

23214620 has 48 divisors (see below), whose sum is σ = 57280608. Its totient is φ = 7791360.

The previous prime is 23214617. The next prime is 23214649. The reversal of 23214620 is 2641232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 23214592 and 23214601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199 + ... + 6918.

It is an arithmetic number, because the mean of its divisors is an integer number (1193346).

Almost surely, 223214620 is an apocalyptic number.

23214620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23214620 is an abundant number, since it is smaller than the sum of its proper divisors (34065988).

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

23214620 is a wasteful number, since it uses less digits than its factorization.

23214620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150 (or 8148 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 23214620 is about 4818.1552486403. The cubic root of 23214620 is about 285.2685270518.

Adding to 23214620 its reverse (2641232), we get a palindrome (25855852).

The spelling of 23214620 in words is "twenty-three million, two hundred fourteen thousand, six hundred twenty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 8117 16234 32468 40585 81170 89287 105521 162340 178574 211042 357148 422084 446435 527605 892870 1055210 1160731 1785740 2110420 2321462 4642924 5803655 11607310 23214620