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133024031 = 7177315313
BaseRepresentation
bin1111110110111…
…00100100011111
3100021022022122222
413323130210133
5233023232111
621111055555
73203454110
oct773344437
9307268588
10133024031
11690a7a18
12386715bb
132173705a
141394a207
15ba297db
hex7edc91f

133024031 has 16 divisors (see below), whose sum is σ = 163185984. Its totient is φ = 105836544.

The previous prime is 133024027. The next prime is 133024033. The reversal of 133024031 is 130420331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133024031 - 22 = 133024027 is a prime.

It is a super-2 number, since 2×1330240312 = 35390785646977922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133024033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031 + ... + 16343.

It is an arithmetic number, because the mean of its divisors is an integer number (10199124).

Almost surely, 2133024031 is an apocalyptic number.

133024031 is a deficient number, since it is larger than the sum of its proper divisors (30161953).

133024031 is a wasteful number, since it uses less digits than its factorization.

133024031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15410.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 133024031 is about 11533.6044235963. The cubic root of 133024031 is about 510.4776135788.

Adding to 133024031 its reverse (130420331), we get a palindrome (263444362).

The spelling of 133024031 in words is "one hundred thirty-three million, twenty-four thousand, thirty-one".

Divisors: 1 7 17 73 119 511 1241 8687 15313 107191 260321 1117849 1822247 7824943 19003433 133024031