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49057970 = 2513377369
BaseRepresentation
bin1011101100100…
…1000010110010
310102022101212212
42323021002302
5100024323340
64511252122
71133662103
oct273110262
9112271785
1049057970
1125767a85
121451a042
13a2186b0
1467303aa
154490a65
hex2ec90b2

49057970 has 16 divisors (see below), whose sum is σ = 95097240. Its totient is φ = 18113664.

The previous prime is 49057963. The next prime is 49057979. The reversal of 49057970 is 7975094.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43864129 + 5193841 = 6623^2 + 2279^2 .

It is not an unprimeable number, because it can be changed into a prime (49057979) 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, 188555 + ... + 188814.

Almost surely, 249057970 is an apocalyptic number.

49057970 is a deficient number, since it is larger than the sum of its proper divisors (46039270).

49057970 is a wasteful number, since it uses less digits than its factorization.

49057970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377389.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 49057970 is about 7004.1394903300. The cubic root of 49057970 is about 366.0748202218.

The spelling of 49057970 in words is "forty-nine million, fifty-seven thousand, nine hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 377369 754738 1886845 3773690 4905797 9811594 24528985 49057970