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2987274 = 231729287
BaseRepresentation
bin1011011001010100001010
312121202202210
423121110022
51231043044
6144005550
734251153
oct13312412
95552683
102987274
111760424
1210008b6
13807924
1457a92a
153e01b9
hex2d950a

2987274 has 16 divisors (see below), whose sum is σ = 6326208. Its totient is φ = 937152.

The previous prime is 2987251. The next prime is 2987279. The reversal of 2987274 is 4727892.

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

It is not an unprimeable number, because it can be changed into a prime (2987279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14542 + ... + 14745.

It is an arithmetic number, because the mean of its divisors is an integer number (395388).

22987274 is an apocalyptic number.

2987274 is an abundant number, since it is smaller than the sum of its proper divisors (3338934).

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

2987274 is a wasteful number, since it uses less digits than its factorization.

2987274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29309.

The product of its digits is 56448, while the sum is 39.

The square root of 2987274 is about 1728.3732235834. The cubic root of 2987274 is about 144.0207338972.

The spelling of 2987274 in words is "two million, nine hundred eighty-seven thousand, two hundred seventy-four".

Divisors: 1 2 3 6 17 34 51 102 29287 58574 87861 175722 497879 995758 1493637 2987274