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2999420 = 225149971
BaseRepresentation
bin1011011100010001111100
312122101102122
423130101330
51231440140
6144142112
734331444
oct13342174
95571378
102999420
111769566
121007938
13810308
14581124
153e3ab5
hex2dc47c

2999420 has 12 divisors (see below), whose sum is σ = 6298824. Its totient is φ = 1199760.

The previous prime is 2999417. The next prime is 2999443. The reversal of 2999420 is 249992.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74966 + ... + 75005.

It is an arithmetic number, because the mean of its divisors is an integer number (524902).

22999420 is an apocalyptic number.

2999420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2999420 is an abundant number, since it is smaller than the sum of its proper divisors (3299404).

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

2999420 is a wasteful number, since it uses less digits than its factorization.

2999420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149980 (or 149978 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 2999420 is about 1731.8833678975. The cubic root of 2999420 is about 144.2156619345.

The spelling of 2999420 in words is "two million, nine hundred ninety-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 149971 299942 599884 749855 1499710 2999420