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1671004628 = 221921986903
BaseRepresentation
bin110001110011001…
…1000000111010100
311022110021211102022
41203212120013110
511410234122003
6433451232312
756260206416
oct14346300724
94273254368
101671004628
11788269567
123a7748698
13208266947
1411bcd89b6
159ba77738
hex639981d4

1671004628 has 12 divisors (see below), whose sum is σ = 3078166560. Its totient is φ = 791528472.

The previous prime is 1671004607. The next prime is 1671004633. The reversal of 1671004628 is 8264001761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10993376 + ... + 10993527.

It is an arithmetic number, because the mean of its divisors is an integer number (256513880).

Almost surely, 21671004628 is an apocalyptic number.

It is an amenable number.

1671004628 is a deficient number, since it is larger than the sum of its proper divisors (1407161932).

1671004628 is a wasteful number, since it uses less digits than its factorization.

1671004628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21986926 (or 21986924 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1671004628 is about 40877.9234795507. The cubic root of 1671004628 is about 1186.6588547158.

The spelling of 1671004628 in words is "one billion, six hundred seventy-one million, four thousand, six hundred twenty-eight".

Divisors: 1 2 4 19 38 76 21986903 43973806 87947612 417751157 835502314 1671004628