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2940069 = 31141253
BaseRepresentation
bin1011001101110010100101
312112101000110
423031302211
51223040234
6143003233
733663426
oct13156245
95471013
102940069
111728a10
12b99519
137bc2b2
1456764d
153d11e9
hex2cdca5

2940069 has 24 divisors (see below), whose sum is σ = 4466016. Its totient is φ = 1705600.

The previous prime is 2940061. The next prime is 2940073. The reversal of 2940069 is 9600492.

It is not a de Polignac number, because 2940069 - 23 = 2940061 is a prime.

It is a super-2 number, since 2×29400692 = 17288011449522, which contains 22 as substring.

It is an Ulam number.

2940069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940061) 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, 55447 + ... + 55499.

It is an arithmetic number, because the mean of its divisors is an integer number (186084).

22940069 is an apocalyptic number.

It is an amenable number.

2940069 is a deficient number, since it is larger than the sum of its proper divisors (1525947).

2940069 is a wasteful number, since it uses less digits than its factorization.

2940069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2940069 is about 1714.6629406388. The cubic root of 2940069 is about 143.2580958422.

The spelling of 2940069 in words is "two million, nine hundred forty thousand, sixty-nine".

Divisors: 1 3 11 33 41 53 123 159 451 583 1353 1681 1749 2173 5043 6519 18491 23903 55473 71709 89093 267279 980023 2940069