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133024401 = 3214780489
BaseRepresentation
bin1111110110111…
…00101010010001
3100021022100011200
413323130222101
5233023240101
621111101413
73203455146
oct773345221
9307270150
10133024401
11690a8224
1238671869
1321737283
141394a3cd
15ba29986
hex7edca91

133024401 has 6 divisors (see below), whose sum is σ = 192146370. Its totient is φ = 88682928.

The previous prime is 133024399. The next prime is 133024403. The reversal of 133024401 is 104420331.

It is an interprime number because it is at equal distance from previous prime (133024399) and next prime (133024403).

It can be written as a sum of positive squares in only one way, i.e., 66585600 + 66438801 = 8160^2 + 8151^2 .

It is not a de Polignac number, because 133024401 - 21 = 133024399 is a prime.

It is a super-2 number, since 2×1330244012 = 35390982522817602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133024403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7390236 + ... + 7390253.

It is an arithmetic number, because the mean of its divisors is an integer number (32024395).

Almost surely, 2133024401 is an apocalyptic number.

It is an amenable number.

133024401 is a deficient number, since it is larger than the sum of its proper divisors (59121969).

133024401 is a wasteful number, since it uses less digits than its factorization.

133024401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14780495 (or 14780492 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 133024401 is about 11533.6204636705. The cubic root of 133024401 is about 510.4780868680.

Adding to 133024401 its reverse (104420331), we get a palindrome (237444732).

The spelling of 133024401 in words is "one hundred thirty-three million, twenty-four thousand, four hundred one".

Divisors: 1 3 9 14780489 44341467 133024401