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2987916 = 223416073
BaseRepresentation
bin1011011001011110001100
312121210122120
423121132030
51231103131
6144012540
734253061
oct13313614
95553576
102987916
111760958
121001150
13807cc9
1457ac68
153e0496
hex2d978c

2987916 has 24 divisors (see below), whose sum is σ = 7143024. Its totient is φ = 971520.

The previous prime is 2987911. The next prime is 2987923. The reversal of 2987916 is 6197892.

It is a super-3 number, since 3×29879163 = 80025133328884173888, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2987911) 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, 2545 + ... + 3528.

It is an arithmetic number, because the mean of its divisors is an integer number (297626).

22987916 is an apocalyptic number.

It is an amenable number.

2987916 is an abundant number, since it is smaller than the sum of its proper divisors (4155108).

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

2987916 is a wasteful number, since it uses less digits than its factorization.

2987916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121 (or 6119 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 2987916 is about 1728.5589373811. The cubic root of 2987916 is about 144.0310504030.

The spelling of 2987916 in words is "two million, nine hundred eighty-seven thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 6073 12146 18219 24292 36438 72876 248993 497986 746979 995972 1493958 2987916