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49164697 = 1773173229
BaseRepresentation
bin1011101110001…
…1000110011001
310102111211021201
42323203012121
5100041232242
64513434201
71134615211
oct273430631
9112454251
1049164697
112583018a
121456b961
13a25514a
14675b241
1544b24b7
hex2ee3199

49164697 has 16 divisors (see below), whose sum is σ = 53306640. Its totient is φ = 45176832.

The previous prime is 49164673. The next prime is 49164701. The reversal of 49164697 is 79646194.

It can be written as a sum of positive squares in 8 ways, for example, as 19527561 + 29637136 = 4419^2 + 5444^2 .

It is a cyclic number.

It is not a de Polignac number, because 49164697 - 27 = 49164569 is a prime.

It is a super-2 number, since 2×491646972 = 4834334862203618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49164607) 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, 214579 + ... + 214807.

It is an arithmetic number, because the mean of its divisors is an integer number (3331665).

Almost surely, 249164697 is an apocalyptic number.

It is an amenable number.

49164697 is a deficient number, since it is larger than the sum of its proper divisors (4141943).

49164697 is a wasteful number, since it uses less digits than its factorization.

49164697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its digits is 326592, while the sum is 46.

The square root of 49164697 is about 7011.7542027655. The cubic root of 49164697 is about 366.3400966479.

It can be divided in two parts, 49 and 164697, that multiplied together give a triangular number (8070153 = T4017).

The spelling of 49164697 in words is "forty-nine million, one hundred sixty-four thousand, six hundred ninety-seven".

Divisors: 1 17 73 173 229 1241 2941 3893 12629 16717 39617 214693 284189 673489 2892041 49164697