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3890619097 = 7996750929
BaseRepresentation
bin1110011111100110…
…0010001011011001
3101001010212221001121
43213321202023121
530431444302342
61442021245241
7165261500551
oct34771421331
911033787047
103890619097
111717175792
12906b63821
134a00750a1
1428ca00161
1517b86b067
hexe7e622d9

3890619097 has 8 divisors (see below), whose sum is σ = 3944019200. Its totient is φ = 3837322944.

The previous prime is 3890619067. The next prime is 3890619179. The reversal of 3890619097 is 7909160983.

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

It is a 3-Lehmer number, since φ(3890619097) divides (3890619097-1)3.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3890619097 is a prime.

It is a deceptive number, since it divides R3890619096.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3890619017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50929 + ... + 101857.

It is an arithmetic number, because the mean of its divisors is an integer number (493002400).

It is a Poulet number, since it divides 23890619096-1.

Almost surely, 23890619097 is an apocalyptic number.

3890619097 is the 50929-th pentagonal number.

It is an amenable number.

3890619097 is a deficient number, since it is larger than the sum of its proper divisors (53400103).

3890619097 is an equidigital number, since it uses as much as digits as its factorization.

3890619097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51975.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 3890619097 is about 62374.8274306230. The cubic root of 3890619097 is about 1572.7978424526.

The spelling of 3890619097 in words is "three billion, eight hundred ninety million, six hundred nineteen thousand, ninety-seven".

Divisors: 1 79 967 50929 76393 4023391 49248343 3890619097