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270497146 = 2135248573
BaseRepresentation
bin10000000111110…
…111010101111010
3200211222200022211
4100013313111322
51023221402041
642501405334
76463121263
oct2007672572
9624880284
10270497146
11129763567
127670984a
134406b1aa
1427cd396a
1518b32481
hex101f757a

270497146 has 4 divisors (see below), whose sum is σ = 405745722. Its totient is φ = 135248572.

The previous prime is 270497137. The next prime is 270497153. The reversal of 270497146 is 641794072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 262796521 + 7700625 = 16211^2 + 2775^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 270497099 and 270497108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67624285 + ... + 67624288.

Almost surely, 2270497146 is an apocalyptic number.

270497146 is a deficient number, since it is larger than the sum of its proper divisors (135248576).

270497146 is a wasteful number, since it uses less digits than its factorization.

270497146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135248575.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 270497146 is about 16446.7974390153. The cubic root of 270497146 is about 646.7268558542.

The spelling of 270497146 in words is "two hundred seventy million, four hundred ninety-seven thousand, one hundred forty-six".

Divisors: 1 2 135248573 270497146