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2988904 = 23373613
BaseRepresentation
bin1011011001101101101000
312121212000011
423121231220
51231121104
6144021304
734256002
oct13315550
95555004
102988904
111761676
121001834
138085a9
1457b372
153e0904
hex2d9b68

2988904 has 8 divisors (see below), whose sum is σ = 5604210. Its totient is φ = 1494448.

The previous prime is 2988901. The next prime is 2988907. The reversal of 2988904 is 4098892.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2988901) and next prime (2988907).

It can be written as a sum of positive squares in only one way, i.e., 2566404 + 422500 = 1602^2 + 650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2988901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186799 + ... + 186814.

22988904 is an apocalyptic number.

It is an amenable number.

2988904 is a deficient number, since it is larger than the sum of its proper divisors (2615306).

2988904 is a wasteful number, since it uses less digits than its factorization.

2988904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373619 (or 373615 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2988904 is about 1728.8447009492. The cubic root of 2988904 is about 144.0469240080.

The spelling of 2988904 in words is "two million, nine hundred eighty-eight thousand, nine hundred four".

Divisors: 1 2 4 8 373613 747226 1494452 2988904