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2255942520 = 2332513482039
BaseRepresentation
bin1000011001110110…
…1111001101111000
312211012221202100200
42012131233031320
514110010130040
61011504402200
7106622123616
oct20635571570
95735852320
102255942520
11a5846a007
1252b616360
1329c4ba840
141758806b6
15d30bc630
hex8676f378

2255942520 has 96 divisors (see below), whose sum is σ = 7895815200. Its totient is φ = 555307776.

The previous prime is 2255942501. The next prime is 2255942527. The reversal of 2255942520 is 252495522.

It is a happy number.

2255942520 is a `hidden beast` number, since 2 + 25 + 594 + 25 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255942527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 236340 + ... + 245699.

It is an arithmetic number, because the mean of its divisors is an integer number (82248075).

Almost surely, 22255942520 is an apocalyptic number.

2255942520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2255942520 is an abundant number, since it is smaller than the sum of its proper divisors (5639872680).

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

2255942520 is a wasteful number, since it uses less digits than its factorization.

2255942520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482069 (or 482062 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 2255942520 is about 47496.7632581421. The cubic root of 2255942520 is about 1311.5232983983.

The spelling of 2255942520 in words is "two billion, two hundred fifty-five million, nine hundred forty-two thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 90 104 117 120 130 156 180 195 234 260 312 360 390 468 520 585 780 936 1170 1560 2340 4680 482039 964078 1446117 1928156 2410195 2892234 3856312 4338351 4820390 5784468 6266507 7230585 8676702 9640780 11568936 12533014 14461170 17353404 18799521 19281560 21691755 25066028 28922340 31332535 34706808 37599042 43383510 50132056 56398563 57844680 62665070 75198084 86767020 93997605 112797126 125330140 150396168 173534040 187995210 225594252 250660280 281992815 375990420 451188504 563985630 751980840 1127971260 2255942520