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5457647 = 132318253
BaseRepresentation
bin10100110100011011101111
3101021021111002
4110310123233
52344121042
6312550515
764250336
oct24643357
911237432
105457647
113098458
1219b243b
1311911a0
14a20d1d
1572c132
hex5346ef

5457647 has 8 divisors (see below), whose sum is σ = 6133344. Its totient is φ = 4818528.

The previous prime is 5457637. The next prime is 5457653. The reversal of 5457647 is 7467545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5457647 - 26 = 5457583 is a prime.

It is a super-3 number, since 3×54576473 (a number of 21 digits) contains 333 as substring.

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 5457647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5457607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8828 + ... + 9425.

It is an arithmetic number, because the mean of its divisors is an integer number (766668).

Almost surely, 25457647 is an apocalyptic number.

5457647 is a deficient number, since it is larger than the sum of its proper divisors (675697).

5457647 is a wasteful number, since it uses less digits than its factorization.

5457647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18289.

The product of its digits is 117600, while the sum is 38.

The square root of 5457647 is about 2336.1607393328. The cubic root of 5457647 is about 176.0631552791.

It can be divided in two parts, 545 and 7647, that added together give a 13-th power (8192 = 213).

The spelling of 5457647 in words is "five million, four hundred fifty-seven thousand, six hundred forty-seven".

Divisors: 1 13 23 299 18253 237289 419819 5457647