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2990088 = 2333109127
BaseRepresentation
bin1011011010000000001000
312121220122000
423122000020
51231140323
6144031000
734262313
oct13320010
95556560
102990088
111762552
121002460
13808caa
1457b97a
153e0e43
hex2da008

2990088 has 64 divisors (see below), whose sum is σ = 8448000. Its totient is φ = 979776.

The previous prime is 2990083. The next prime is 2990123. The reversal of 2990088 is 8800992.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2990083) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23481 + ... + 23607.

It is an arithmetic number, because the mean of its divisors is an integer number (132000).

22990088 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 2990088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4224000).

2990088 is an abundant number, since it is smaller than the sum of its proper divisors (5457912).

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

2990088 is a wasteful number, since it uses less digits than its factorization.

2990088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 2990088 is about 1729.1870922488. The cubic root of 2990088 is about 144.0659420207.

The spelling of 2990088 in words is "two million, nine hundred ninety thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 109 127 216 218 254 327 381 436 508 654 762 872 981 1016 1143 1308 1524 1962 2286 2616 2943 3048 3429 3924 4572 5886 6858 7848 9144 11772 13716 13843 23544 27432 27686 41529 55372 83058 110744 124587 166116 249174 332232 373761 498348 747522 996696 1495044 2990088