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3906248 = 231931829
BaseRepresentation
bin1110111001101011001000
321100110100212
432321223020
51444444443
6215420252
745126323
oct16715310
97313325
103906248
112228905
121384688
13a69cb8
147397ba
15522618
hex3b9ac8

3906248 has 32 divisors (see below), whose sum is σ = 7968000. Its totient is φ = 1788480.

The previous prime is 3906247. The next prime is 3906263. The reversal of 3906248 is 8426093.

It is a d-powerful number, because it can be written as 311 + 95 + 0 + 62 + 219 + 410 + 87 .

It is not an unprimeable number, because it can be changed into a prime (3906247) 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, 4298 + ... + 5126.

It is an arithmetic number, because the mean of its divisors is an integer number (249000).

Almost surely, 23906248 is an apocalyptic number.

3906248 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3906248 is an abundant number, since it is smaller than the sum of its proper divisors (4061752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3906248 is a wasteful number, since it uses less digits than its factorization.

3906248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 881 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3906248 is about 1976.4230316407. The cubic root of 3906248 is about 157.4901043585.

The spelling of 3906248 in words is "three million, nine hundred six thousand, two hundred forty-eight".

Divisors: 1 2 4 8 19 31 38 62 76 124 152 248 589 829 1178 1658 2356 3316 4712 6632 15751 25699 31502 51398 63004 102796 126008 205592 488281 976562 1953124 3906248