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2987894 = 271316417
BaseRepresentation
bin1011011001011101110110
312121210121202
423121131312
51231103034
6144012502
734253030
oct13313566
95553552
102987894
111760938
121001132
13807cb0
1457ac50
153e047e
hex2d9776

2987894 has 16 divisors (see below), whose sum is σ = 5516448. Its totient is φ = 1181952.

The previous prime is 2987863. The next prime is 2987911. The reversal of 2987894 is 4987892.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8027 + ... + 8390.

It is an arithmetic number, because the mean of its divisors is an integer number (344778).

22987894 is an apocalyptic number.

2987894 is a deficient number, since it is larger than the sum of its proper divisors (2528554).

2987894 is a wasteful number, since it uses less digits than its factorization.

2987894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16439.

The product of its digits is 290304, while the sum is 47.

The square root of 2987894 is about 1728.5525736870. The cubic root of 2987894 is about 144.0306969023.

It can be divided in two parts, 298 and 7894, that added together give a 13-th power (8192 = 213).

The spelling of 2987894 in words is "two million, nine hundred eighty-seven thousand, eight hundred ninety-four".

Divisors: 1 2 7 13 14 26 91 182 16417 32834 114919 213421 229838 426842 1493947 2987894