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532149407 = 1393828413
BaseRepresentation
bin11111101101111…
…111010010011111
31101002022222202022
4133231333102133
52042212240112
6124445450355
716121123666
oct3755772237
91332288668
10532149407
112534257a9
1212a2709bb
138633050a
1450963ddd
1531ab8d72
hex1fb7f49f

532149407 has 4 divisors (see below), whose sum is σ = 535977960. Its totient is φ = 528320856.

The previous prime is 532149403. The next prime is 532149439. The reversal of 532149407 is 704941235.

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

It is a cyclic number.

It is not a de Polignac number, because 532149407 - 22 = 532149403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532149403) 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, 1914068 + ... + 1914345.

It is an arithmetic number, because the mean of its divisors is an integer number (133994490).

Almost surely, 2532149407 is an apocalyptic number.

532149407 is a deficient number, since it is larger than the sum of its proper divisors (3828553).

532149407 is a wasteful number, since it uses less digits than its factorization.

532149407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828552.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 532149407 is about 23068.3637694571. The cubic root of 532149407 is about 810.3597482425.

The spelling of 532149407 in words is "five hundred thirty-two million, one hundred forty-nine thousand, four hundred seven".

Divisors: 1 139 3828413 532149407