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3890515876 = 2213223992
BaseRepresentation
bin1110011111100100…
…1000111110100100
3101001010200200110121
43213321020332210
530431433002001
61442015131324
7165260560612
oct34771107644
911033620417
103890515876
111717105185
12906b13b44
134a003a100
1428c9b46b2
1517b84a6a1
hexe7e48fa4

3890515876 has 27 divisors (see below), whose sum is σ = 7375486881. Its totient is φ = 1794874224.

The previous prime is 3890515861. The next prime is 3890515877. The reversal of 3890515876 is 6785150983.

The square root of 3890515876 is 62374.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 575520100 + 3314995776 = 23990^2 + 57576^2 .

It is a super-2 number, since 2×38905158762 = 30272227562816094752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3890515877) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1620525 + ... + 1622923.

Almost surely, 23890515876 is an apocalyptic number.

3890515876 is the 62374-th square number.

It is an amenable number.

3890515876 is a deficient number, since it is larger than the sum of its proper divisors (3484971005).

3890515876 is an equidigital number, since it uses as much as digits as its factorization.

3890515876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828 (or 2414 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 52.

The cubic root of 3890515876 is about 1572.7839331665.

The spelling of 3890515876 in words is "three billion, eight hundred ninety million, five hundred fifteen thousand, eight hundred seventy-six".

Divisors: 1 2 4 13 26 52 169 338 676 2399 4798 9596 31187 62374 124748 405431 810862 1621724 5755201 11510402 23020804 74817613 149635226 299270452 972628969 1945257938 3890515876