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2680506 = 23349639
BaseRepresentation
bin1010001110011010111010
312001011222000
422032122322
51141234011
6133241430
731532613
oct12163272
95034860
102680506
1115709a4
12a93276
1372b0ca
144dac0a
1537e356
hex28e6ba

2680506 has 16 divisors (see below), whose sum is σ = 5956800. Its totient is φ = 893484.

The previous prime is 2680493. The next prime is 2680519. The reversal of 2680506 is 6050862.

It is an interprime number because it is at equal distance from previous prime (2680493) and next prime (2680519).

It is a super-2 number, since 2×26805062 = 14370224832072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2680506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24766 + ... + 24873.

It is an arithmetic number, because the mean of its divisors is an integer number (372300).

22680506 is an apocalyptic number.

2680506 is an abundant number, since it is smaller than the sum of its proper divisors (3276294).

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

2680506 is a wasteful number, since it uses less digits than its factorization.

2680506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49650 (or 49644 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2680506 is about 1637.2250914276. The cubic root of 2680506 is about 138.9117325152.

The spelling of 2680506 in words is "two million, six hundred eighty thousand, five hundred six".

Divisors: 1 2 3 6 9 18 27 54 49639 99278 148917 297834 446751 893502 1340253 2680506