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424445730 = 23553266947
BaseRepresentation
bin11001010011001…
…000011100100010
31002120200002002020
4121103020130202
51332124230410
6110041202310
713342505052
oct3123103442
91076602066
10424445730
111a86523a5
12ba190396
1369c20427
1440529562
15273e1a70
hex194c8722

424445730 has 32 divisors (see below), whose sum is σ = 1037893824. Its totient is φ = 111049536.

The previous prime is 424445719. The next prime is 424445761. The reversal of 424445730 is 37544424.

It is a junction number, because it is equal to n+sod(n) for n = 424445691 and 424445700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131884 + ... + 135063.

It is an arithmetic number, because the mean of its divisors is an integer number (32434182).

Almost surely, 2424445730 is an apocalyptic number.

424445730 is an abundant number, since it is smaller than the sum of its proper divisors (613448094).

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

424445730 is a wasteful number, since it uses less digits than its factorization.

424445730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267010.

The product of its (nonzero) digits is 53760, while the sum is 33.

The square root of 424445730 is about 20602.0807201603. The cubic root of 424445730 is about 751.5203116764.

The spelling of 424445730 in words is "four hundred twenty-four million, four hundred forty-five thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 266947 533894 800841 1334735 1601682 2669470 4004205 8008410 14148191 28296382 42444573 70740955 84889146 141481910 212222865 424445730