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97580945 = 57111911327
BaseRepresentation
bin1011101000011…
…11011110010001
320210121121220002
411310033132101
5144440042240
613403255345
72263265360
oct564173621
9223547802
1097580945
115009a010
122881a555
13172a7707
14cd617d7
158877d15
hex5d0f791

97580945 has 32 divisors (see below), whose sum is σ = 146866176. Its totient is φ = 60465600.

The previous prime is 97580929. The next prime is 97580953. The reversal of 97580945 is 54908579.

It is not a de Polignac number, because 97580945 - 24 = 97580929 is a prime.

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 97580945.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72872 + ... + 74198.

It is an arithmetic number, because the mean of its divisors is an integer number (4589568).

Almost surely, 297580945 is an apocalyptic number.

It is an amenable number.

97580945 is a deficient number, since it is larger than the sum of its proper divisors (49285231).

97580945 is a wasteful number, since it uses less digits than its factorization.

97580945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 97580945 is about 9878.3067881090. The cubic root of 97580945 is about 460.3855384682.

The spelling of 97580945 in words is "ninety-seven million, five hundred eighty thousand, nine hundred forty-five".

Divisors: 1 5 7 11 35 55 77 191 385 955 1327 1337 2101 6635 6685 9289 10505 14597 14707 46445 72985 73535 102179 253457 510895 1267285 1774199 2788027 8870995 13940135 19516189 97580945