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3850061645 = 5947813107
BaseRepresentation
bin1110010101111011…
…0100011101001101
3100221022120101200202
43211132310131031
530341103433040
61434012103245
7164256661343
oct34536643515
910838511622
103850061645
1116a6294331
128b5464b25
134948448b1
14287483993
15178009015
hexe57b474d

3850061645 has 8 divisors (see below), whose sum is σ = 4624958304. Its totient is φ = 3076793104.

The previous prime is 3850061639. The next prime is 3850061651. The reversal of 3850061645 is 5461600583.

It is an interprime number because it is at equal distance from previous prime (3850061639) and next prime (3850061651).

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

It is a cyclic number.

It is not a de Polignac number, because 3850061645 - 28 = 3850061389 is a prime.

It is a super-3 number, since 3×38500616453 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3850061599 and 3850061608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401819 + ... + 411288.

It is an arithmetic number, because the mean of its divisors is an integer number (578119788).

Almost surely, 23850061645 is an apocalyptic number.

It is an amenable number.

3850061645 is a deficient number, since it is larger than the sum of its proper divisors (774896659).

3850061645 is an equidigital number, since it uses as much as digits as its factorization.

3850061645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814059.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 3850061645 is about 62048.8649775320. The cubic root of 3850061645 is about 1567.3135722635.

The spelling of 3850061645 in words is "three billion, eight hundred fifty million, sixty-one thousand, six hundred forty-five".

Divisors: 1 5 947 4735 813107 4065535 770012329 3850061645