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3890805148 = 221292375269
BaseRepresentation
bin1110011111101000…
…1111100110011100
3101001011020101021101
43213322033212130
530432021231043
61442025242444
7165263204146
oct34772174634
911034211241
103890805148
11171729254a
12907033424
134a010b989
1428ca4bc96
1517b8a624d
hexe7e8f99c

3890805148 has 12 divisors (see below), whose sum is σ = 6809526360. Its totient is φ = 1945226192.

The previous prime is 3890805131. The next prime is 3890805157. The reversal of 3890805148 is 8415080983.

It is a junction number, because it is equal to n+sod(n) for n = 3890805098 and 3890805107.

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, 14058 + ... + 89326.

It is an arithmetic number, because the mean of its divisors is an integer number (567460530).

Almost surely, 23890805148 is an apocalyptic number.

It is an amenable number.

3890805148 is a deficient number, since it is larger than the sum of its proper divisors (2918721212).

3890805148 is a wasteful number, since it uses less digits than its factorization.

3890805148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88196 (or 88194 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 3890805148 is about 62376.3188077014. The cubic root of 3890805148 is about 1572.8229126655.

The spelling of 3890805148 in words is "three billion, eight hundred ninety million, eight hundred five thousand, one hundred forty-eight".

Divisors: 1 2 4 12923 25846 51692 75269 150538 301076 972701287 1945402574 3890805148