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4253820 = 2235312287
BaseRepresentation
bin10000001110100001111100
322000010010220
4100032201330
52042110240
6231101340
751104544
oct20164174
98003126
104253820
112445a5a
121511850
13b5c26c
147ca324
155905d0
hex40e87c

4253820 has 48 divisors (see below), whose sum is σ = 12300288. Its totient is φ = 1097280.

The previous prime is 4253813. The next prime is 4253831. The reversal of 4253820 is 283524.

4253820 = T339 + T340 + ... + T400.

It is a congruent number.

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, 717 + ... + 3003.

It is an arithmetic number, because the mean of its divisors is an integer number (256256).

Almost surely, 24253820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4253820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6150144).

4253820 is an abundant number, since it is smaller than the sum of its proper divisors (8046468).

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

4253820 is a wasteful number, since it uses less digits than its factorization.

4253820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330 (or 2328 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4253820 is about 2062.4790908031. The cubic root of 4253820 is about 162.0291061862.

The spelling of 4253820 in words is "four million, two hundred fifty-three thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 2287 4574 6861 9148 11435 13722 22870 27444 34305 45740 68610 70897 137220 141794 212691 283588 354485 425382 708970 850764 1063455 1417940 2126910 4253820