Search a number
-
+
3029971 = 73113963
BaseRepresentation
bin1011100011101111010011
312200221100011
423203233103
51233424341
6144535351
734516510
oct13435723
95627304
103029971
11178a50a
121021557
138211a9
1458c307
153ecb81
hex2e3bd3

3029971 has 8 divisors (see below), whose sum is σ = 3574784. Its totient is φ = 2513160.

The previous prime is 3029969. The next prime is 3029981. The reversal of 3029971 is 1799203.

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

It is a cyclic number.

It is not a de Polignac number, because 3029971 - 21 = 3029969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3029981) 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, 6765 + ... + 7198.

It is an arithmetic number, because the mean of its divisors is an integer number (446848).

Almost surely, 23029971 is an apocalyptic number.

3029971 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3029971 is a deficient number, since it is larger than the sum of its proper divisors (544813).

3029971 is a wasteful number, since it uses less digits than its factorization.

3029971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14001.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 3029971 is about 1740.6811885006. The cubic root of 3029971 is about 144.7036515781.

The spelling of 3029971 in words is "three million, twenty-nine thousand, nine hundred seventy-one".

Divisors: 1 7 31 217 13963 97741 432853 3029971