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3680457 = 311210139
BaseRepresentation
bin1110000010100011001001
320220222122020
432002203021
51420233312
6210515053
743166124
oct16024311
96828566
103680457
112094200
121295a89
139bb2b1
146bb3bb
154ca78c
hex3828c9

3680457 has 12 divisors (see below), whose sum is σ = 5394480. Its totient is φ = 2230360.

The previous prime is 3680431. The next prime is 3680459. The reversal of 3680457 is 7540863.

It is not a de Polignac number, because 3680457 - 215 = 3647689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3680459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4707 + ... + 5432.

It is an arithmetic number, because the mean of its divisors is an integer number (449540).

Almost surely, 23680457 is an apocalyptic number.

It is an amenable number.

3680457 is a deficient number, since it is larger than the sum of its proper divisors (1714023).

3680457 is a wasteful number, since it uses less digits than its factorization.

3680457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10164 (or 10153 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 3680457 is about 1918.4517194863. The cubic root of 3680457 is about 154.3952432381.

The spelling of 3680457 in words is "three million, six hundred eighty thousand, four hundred fifty-seven".

Divisors: 1 3 11 33 121 363 10139 30417 111529 334587 1226819 3680457