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270428836 = 22457147937
BaseRepresentation
bin10000000111100…
…110101010100100
3200211212012121211
4100013212222210
51023212210321
642500121204
76462415156
oct2007465244
9624765554
10270428836
11129717207
1276696204
1344046082
1427cb6ad6
1518b1c0e1
hex101e6aa4

270428836 has 12 divisors (see below), whose sum is σ = 474289228. Its totient is φ = 134917632.

The previous prime is 270428833. The next prime is 270428839. The reversal of 270428836 is 638824072.

It is an interprime number because it is at equal distance from previous prime (270428833) and next prime (270428839).

It can be written as a sum of positive squares in 2 ways, for example, as 229340736 + 41088100 = 15144^2 + 6410^2 .

It is not an unprimeable number, because it can be changed into a prime (270428831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72141 + ... + 75796.

Almost surely, 2270428836 is an apocalyptic number.

It is an amenable number.

270428836 is a deficient number, since it is larger than the sum of its proper divisors (203860392).

270428836 is a wasteful number, since it uses less digits than its factorization.

270428836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148398 (or 148396 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 270428836 is about 16444.7206117951. The cubic root of 270428836 is about 646.6724108794.

The spelling of 270428836 in words is "two hundred seventy million, four hundred twenty-eight thousand, eight hundred thirty-six".

Divisors: 1 2 4 457 914 1828 147937 295874 591748 67607209 135214418 270428836