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49072609 = 616712007
BaseRepresentation
bin1011101100110…
…0100111100001
310102100010222001
42323030213201
5100030310414
64511444001
71134052555
oct273144741
9112303861
1049072609
1125777a83
1214526601
13a222261
146735865
154495074
hex2ecc9e1

49072609 has 8 divisors (see below), whose sum is σ = 50625728. Its totient is φ = 47543760.

The previous prime is 49072607. The next prime is 49072627. The reversal of 49072609 is 90627094.

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

It is a cyclic number.

It is not a de Polignac number, because 49072609 - 21 = 49072607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49072607) 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, 1917 + ... + 10090.

It is an arithmetic number, because the mean of its divisors is an integer number (6328216).

Almost surely, 249072609 is an apocalyptic number.

It is an amenable number.

49072609 is a deficient number, since it is larger than the sum of its proper divisors (1553119).

49072609 is a wasteful number, since it uses less digits than its factorization.

49072609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12135.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 49072609 is about 7005.1844372579. The cubic root of 49072609 is about 366.1112290958. Note that the first 3 decimals are identical.

The spelling of 49072609 in words is "forty-nine million, seventy-two thousand, six hundred nine".

Divisors: 1 61 67 4087 12007 732427 804469 49072609