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60657985 = 537327881
BaseRepresentation
bin1110011101100…
…1000101000001
311020010202010001
43213121011001
5111012023420
610004040001
71334404303
oct347310501
9136122101
1060657985
1131270273
1218393001
13c74a5cb
1480ad973
1554d2b0a
hex39d9141

60657985 has 8 divisors (see below), whose sum is σ = 74757096. Its totient is φ = 47214720.

The previous prime is 60657967. The next prime is 60657991. The reversal of 60657985 is 58975606.

60657985 is nontrivially palindromic in base 6.

It can be written as a sum of positive squares in 4 ways, for example, as 5438224 + 55219761 = 2332^2 + 7431^2 .

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

It is not a de Polignac number, because 60657985 - 211 = 60655937 is a prime.

It is a super-2 number, since 2×606579852 = 7358782288520450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163756 + ... + 164125.

It is an arithmetic number, because the mean of its divisors is an integer number (9344637).

Almost surely, 260657985 is an apocalyptic number.

It is an amenable number.

60657985 is a deficient number, since it is larger than the sum of its proper divisors (14099111).

60657985 is a wasteful number, since it uses less digits than its factorization.

60657985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327923.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 60657985 is about 7788.3236322074. The cubic root of 60657985 is about 392.9126335154.

The spelling of 60657985 in words is "sixty million, six hundred fifty-seven thousand, nine hundred eighty-five".

Divisors: 1 5 37 185 327881 1639405 12131597 60657985