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133930474 = 266965237
BaseRepresentation
bin1111111101110…
…01110111101010
3100100000101001221
413332321313222
5233241233344
621142332254
73214250566
oct776716752
9310011057
10133930474
1169666a47
1238a2a08a
1321993802
1413b046a6
15bb58184
hex7fb9dea

133930474 has 4 divisors (see below), whose sum is σ = 200895714. Its totient is φ = 66965236.

The previous prime is 133930469. The next prime is 133930481. The reversal of 133930474 is 474039331.

It is a happy number.

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., 113273449 + 20657025 = 10643^2 + 4545^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33482617 + ... + 33482620.

Almost surely, 2133930474 is an apocalyptic number.

133930474 is a deficient number, since it is larger than the sum of its proper divisors (66965240).

133930474 is an equidigital number, since it uses as much as digits as its factorization.

133930474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66965239.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 133930474 is about 11572.8334473456. The cubic root of 133930474 is about 511.6344767610.

It can be divided in two parts, 1339 and 30474, that added together give a palindrome (31813).

The spelling of 133930474 in words is "one hundred thirty-three million, nine hundred thirty thousand, four hundred seventy-four".

Divisors: 1 2 66965237 133930474