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2670620 = 225671993
BaseRepresentation
bin1010001100000000011100
312000200101212
422030000130
51140424440
6133123552
731462031
oct12140034
95020355
102670620
111564527
12a895b8
13726764
144d7388
1537b465
hex28c01c

2670620 has 24 divisors (see below), whose sum is σ = 5694864. Its totient is φ = 1051776.

The previous prime is 2670611. The next prime is 2670637. The reversal of 2670620 is 260762.

It is a happy number.

It is a super-2 number, since 2×26706202 = 14264422368800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344 + ... + 2336.

It is an arithmetic number, because the mean of its divisors is an integer number (237286).

22670620 is an apocalyptic number.

2670620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2670620 is an abundant number, since it is smaller than the sum of its proper divisors (3024244).

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

2670620 is a wasteful number, since it uses less digits than its factorization.

2670620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2670620 is about 1634.2031697436. The cubic root of 2670620 is about 138.7407482401.

The spelling of 2670620 in words is "two million, six hundred seventy thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 1993 3986 7972 9965 19930 39860 133531 267062 534124 667655 1335310 2670620