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2994147 = 3213157163
BaseRepresentation
bin1011011010111111100011
312122010012100
423122333203
51231303042
6144101443
734310202
oct13327743
95563170
102994147
111765602
121004883
1380aab0
1457d239
153e224c
hex2dafe3

2994147 has 24 divisors (see below), whose sum is σ = 4715984. Its totient is φ = 1819584.

The previous prime is 2994137. The next prime is 2994149. The reversal of 2994147 is 7414992.

It is not a de Polignac number, because 2994147 - 26 = 2994083 is a prime.

Its product of digits (18144) is a multiple of the sum of its prime divisors (336).

It is not an unprimeable number, because it can be changed into a prime (2994149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18288 + ... + 18450.

22994147 is an apocalyptic number.

2994147 is the 1413-rd pentagonal number.

2994147 is a deficient number, since it is larger than the sum of its proper divisors (1721837).

2994147 is a wasteful number, since it uses less digits than its factorization.

2994147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 336 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2994147 is about 1730.3603670912. The cubic root of 2994147 is about 144.1311016699.

The spelling of 2994147 in words is "two million, nine hundred ninety-four thousand, one hundred forty-seven".

Divisors: 1 3 9 13 39 117 157 163 471 489 1413 1467 2041 2119 6123 6357 18369 19071 25591 76773 230319 332683 998049 2994147