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2987674 = 21978623
BaseRepresentation
bin1011011001011010011010
312121210022121
423121122122
51231101144
6144011454
734252264
oct13313232
95553277
102987674
111760758
121000b8a
13807b71
1457ab34
153e0384
hex2d969a

2987674 has 8 divisors (see below), whose sum is σ = 4717440. Its totient is φ = 1415196.

The previous prime is 2987659. The next prime is 2987707. The reversal of 2987674 is 4767892.

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2987674.

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, 39274 + ... + 39349.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

22987674 is an apocalyptic number.

2987674 is a deficient number, since it is larger than the sum of its proper divisors (1729766).

2987674 is a wasteful number, since it uses less digits than its factorization.

2987674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78644.

The product of its digits is 169344, while the sum is 43.

The square root of 2987674 is about 1728.4889354578. The cubic root of 2987674 is about 144.0271618002.

The spelling of 2987674 in words is "two million, nine hundred eighty-seven thousand, six hundred seventy-four".

Divisors: 1 2 19 38 78623 157246 1493837 2987674