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2552843220 = 2235109390343
BaseRepresentation
bin1001100000101001…
…0100101111010100
320120220121212112220
42120022110233110
520212011440340
61101152142340
7120155544414
oct23012245724
96526555486
102552843220
1110a0016994
125b2b379b0
13318b71a25
141a3088644
15ee1b7ed0
hex98294bd4

2552843220 has 48 divisors (see below), whose sum is σ = 7213557120. Its totient is φ = 674510976.

The previous prime is 2552843219. The next prime is 2552843257. The reversal of 2552843220 is 223482552.

2552843220 = T305 + T306 + ... + T2484.

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, 188632 + ... + 201711.

It is an arithmetic number, because the mean of its divisors is an integer number (150282440).

Almost surely, 22552843220 is an apocalyptic number.

2552843220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2552843220 is an abundant number, since it is smaller than the sum of its proper divisors (4660713900).

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

2552843220 is a wasteful number, since it uses less digits than its factorization.

2552843220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390464 (or 390462 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 2552843220 is about 50525.6689218461. The cubic root of 2552843220 is about 1366.7047840515.

The spelling of 2552843220 in words is "two billion, five hundred fifty-two million, eight hundred forty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 109 218 327 436 545 654 1090 1308 1635 2180 3270 6540 390343 780686 1171029 1561372 1951715 2342058 3903430 4684116 5855145 7806860 11710290 23420580 42547387 85094774 127642161 170189548 212736935 255284322 425473870 510568644 638210805 850947740 1276421610 2552843220