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7825116 = 22313103487
BaseRepresentation
bin11101110110011011011100
3112201120001010
4131312123130
54000400431
6435415220
7123340515
oct35663334
915646033
107825116
114465142
122754510
13180c960
141079a0c
15a48846
hex7766dc

7825116 has 48 divisors (see below), whose sum is σ = 19894784. Its totient is φ = 2379456.

The previous prime is 7825091. The next prime is 7825121. The reversal of 7825116 is 6115287.

It is a super-2 number, since 2×78251162 = 122464880826912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15825 + ... + 16311.

Almost surely, 27825116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7825116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9947392).

7825116 is an abundant number, since it is smaller than the sum of its proper divisors (12069668).

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

7825116 is a wasteful number, since it uses less digits than its factorization.

7825116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 608 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 7825116 is about 2797.3408801932. The cubic root of 7825116 is about 198.5318828631.

The spelling of 7825116 in words is "seven million, eight hundred twenty-five thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 103 156 206 309 412 487 618 974 1236 1339 1461 1948 2678 2922 4017 5356 5844 6331 8034 12662 16068 18993 25324 37986 50161 75972 100322 150483 200644 300966 601932 652093 1304186 1956279 2608372 3912558 7825116