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3893770345 = 531531573019
BaseRepresentation
bin1110100000010110…
…0011100001101001
3101001100211000202111
43220011203201221
530433301122340
61442213002321
7165330334063
oct35005434151
911040730674
103893770345
111718a28323
129080233a1
134a090952a
1428d1c0733
1517bc8eaea
hexe8163869

3893770345 has 32 divisors (see below), whose sum is σ = 4947194880. Its totient is φ = 2937841920.

The previous prime is 3893770333. The next prime is 3893770367. The reversal of 3893770345 is 5430773983.

It is not a de Polignac number, because 3893770345 - 29 = 3893769833 is a prime.

It is a super-2 number, since 2×38937703452 = 30322894999202838050, which contains 22 as substring.

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, 1288246 + ... + 1291264.

It is an arithmetic number, because the mean of its divisors is an integer number (154599840).

Almost surely, 23893770345 is an apocalyptic number.

It is an amenable number.

3893770345 is a deficient number, since it is larger than the sum of its proper divisors (1053424535).

3893770345 is a wasteful number, since it uses less digits than its factorization.

3893770345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The square root of 3893770345 is about 62400.0828925731. The cubic root of 3893770345 is about 1573.2223625957. Note that the first 3 decimals are identical.

The spelling of 3893770345 in words is "three billion, eight hundred ninety-three million, seven hundred seventy thousand, three hundred forty-five".

Divisors: 1 5 31 53 155 157 265 785 1643 3019 4867 8215 8321 15095 24335 41605 93589 160007 257951 467945 473983 800035 1289755 2369915 4960217 14693473 24801085 25121099 73467365 125605495 778754069 3893770345