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24307357940 = 2253732847781
BaseRepresentation
bin10110101000110101…
…001101100011110100
32022202000120201112022
4112220311031203310
5344240140423230
615055555012312
71520234063525
oct265065154364
968660521468
1024307357940
11a343962878
12486459a098
1323a4ba2248
1412683a684c
15973ea51e5
hex5a8d4d8f4

24307357940 has 24 divisors (see below), whose sum is σ = 52425060072. Its totient is φ = 9460160640.

The previous prime is 24307357933. The next prime is 24307357957. The reversal of 24307357940 is 4975370342.

It can be written as a sum of positive squares in 4 ways, for example, as 921608164 + 23385749776 = 30358^2 + 152924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24307357891 and 24307357900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16423151 + ... + 16424630.

It is an arithmetic number, because the mean of its divisors is an integer number (2184377503).

Almost surely, 224307357940 is an apocalyptic number.

24307357940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24307357940 is an abundant number, since it is smaller than the sum of its proper divisors (28117702132).

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

24307357940 is a wasteful number, since it uses less digits than its factorization.

24307357940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32847827 (or 32847825 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 24307357940 in words is "twenty-four billion, three hundred seven million, three hundred fifty-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 37 74 148 185 370 740 32847781 65695562 131391124 164238905 328477810 656955620 1215367897 2430735794 4861471588 6076839485 12153678970 24307357940