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133814477 = 671997231
BaseRepresentation
bin1111111100111…
…01100011001101
3100022210110221202
413332131203031
5233224030402
621140035245
73213255446
oct776354315
9308713852
10133814477
1169597885
1238992b25
1321952a84
1413ab42cd
15bb33b02
hex7f9d8cd

133814477 has 4 divisors (see below), whose sum is σ = 135811776. Its totient is φ = 131817180.

The previous prime is 133814467. The next prime is 133814479. The reversal of 133814477 is 774418331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133814477 - 26 = 133814413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133814477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133814479) 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, 998549 + ... + 998682.

It is an arithmetic number, because the mean of its divisors is an integer number (33952944).

Almost surely, 2133814477 is an apocalyptic number.

It is an amenable number.

133814477 is a deficient number, since it is larger than the sum of its proper divisors (1997299).

133814477 is an equidigital number, since it uses as much as digits as its factorization.

133814477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997298.

The product of its digits is 56448, while the sum is 38.

The square root of 133814477 is about 11567.8207541438. The cubic root of 133814477 is about 511.4867254573.

The spelling of 133814477 in words is "one hundred thirty-three million, eight hundred fourteen thousand, four hundred seventy-seven".

Divisors: 1 67 1997231 133814477