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255492432 = 243213136481
BaseRepresentation
bin11110011101010…
…00000101010000
3122210202100201200
433032220011100
51010401224212
641204031200
76221435616
oct1716500520
9583670650
10255492432
11121245278
1271692500
1340c16670
1425d096b6
151766b6dc
hexf3a8150

255492432 has 60 divisors (see below), whose sum is σ = 770031444. Its totient is φ = 78612480.

The previous prime is 255492401. The next prime is 255492463. The reversal of 255492432 is 234294552.

It is an interprime number because it is at equal distance from previous prime (255492401) and next prime (255492463).

It can be written as a sum of positive squares in 2 ways, for example, as 18455616 + 237036816 = 4296^2 + 15396^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66369 + ... + 70112.

Almost surely, 2255492432 is an apocalyptic number.

It is an amenable number.

255492432 is an abundant number, since it is smaller than the sum of its proper divisors (514539012).

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

255492432 is a wasteful number, since it uses less digits than its factorization.

255492432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136508 (or 136499 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 255492432 is about 15984.1306300968. The cubic root of 255492432 is about 634.5405004448.

The spelling of 255492432 in words is "two hundred fifty-five million, four hundred ninety-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 936 1872 136481 272962 409443 545924 818886 1091848 1228329 1637772 1774253 2183696 2456658 3275544 3548506 4913316 5322759 6551088 7097012 9826632 10645518 14194024 15968277 19653264 21291036 28388048 31936554 42582072 63873108 85164144 127746216 255492432