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3889457 = 111359461
BaseRepresentation
bin1110110101100100110001
321022121022222
432311210301
51443430312
6215210425
745026345
oct16654461
97277288
103889457
112217230
121376a15
13a62470
14733625
1551c672
hex3b5931

3889457 has 16 divisors (see below), whose sum is σ = 4656960. Its totient is φ = 3201600.

The previous prime is 3889453. The next prime is 3889489. The reversal of 3889457 is 7549883.

It is a cyclic number.

It is not a de Polignac number, because 3889457 - 22 = 3889453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3889453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8207 + ... + 8667.

It is an arithmetic number, because the mean of its divisors is an integer number (291060).

Almost surely, 23889457 is an apocalyptic number.

It is an amenable number.

3889457 is a deficient number, since it is larger than the sum of its proper divisors (767503).

3889457 is a wasteful number, since it uses less digits than its factorization.

3889457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544.

The product of its digits is 241920, while the sum is 44.

The square root of 3889457 is about 1972.1706315631. The cubic root of 3889457 is about 157.2641232787.

The spelling of 3889457 in words is "three million, eight hundred eighty-nine thousand, four hundred fifty-seven".

Divisors: 1 11 13 59 143 461 649 767 5071 5993 8437 27199 65923 299189 353587 3889457