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553149601 = 4571210393
BaseRepresentation
bin100000111110000…
…110010010100001
31102112211220121021
4200332012102201
52113101241401
6130515525441
716464460024
oct4076062241
91375756537
10553149601
11264269534
121352b9881
138a7a3c74
145366d1bb
15338662a1
hex20f864a1

553149601 has 4 divisors (see below), whose sum is σ = 554360452. Its totient is φ = 551938752.

The previous prime is 553149589. The next prime is 553149607. The reversal of 553149601 is 106941355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106941355 = 521388271.

It can be written as a sum of positive squares in 2 ways, for example, as 327429025 + 225720576 = 18095^2 + 15024^2 .

It is a cyclic number.

It is not a de Polignac number, because 553149601 - 27 = 553149473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553149607) 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, 604740 + ... + 605653.

It is an arithmetic number, because the mean of its divisors is an integer number (138590113).

Almost surely, 2553149601 is an apocalyptic number.

It is an amenable number.

553149601 is a deficient number, since it is larger than the sum of its proper divisors (1210851).

553149601 is a wasteful number, since it uses less digits than its factorization.

553149601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210850.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 553149601 is about 23519.1326583273. The cubic root of 553149601 is about 820.8822553599.

The spelling of 553149601 in words is "five hundred fifty-three million, one hundred forty-nine thousand, six hundred one".

Divisors: 1 457 1210393 553149601