Search a number
2934931 = 17172643
BaseRepresentation
bin1011001100100010010011
312112002222011
423030202103
51222404211
6142523351
733642436
oct13144223
95462864
102934931
11172506a
12b96557
137b9b5c
1456581d
153ce921
hex2cc893

2934931 has 4 divisors (see below), whose sum is σ = 3107592. Its totient is φ = 2762272.

The previous prime is 2934923. The next prime is 2934937. The reversal of 2934931 is 1394392.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2934931 - 23 = 2934923 is a prime.

It is a super-2 number, since 2×29349312 = 17227639949522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2934893 and 2934902.

It is not an unprimeable number, because it can be changed into a prime (2934937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86305 + ... + 86338.

It is an arithmetic number, because the mean of its divisors is an integer number (776898).

22934931 is an apocalyptic number.

2934931 is the 1084-th centered pentagonal number.

2934931 is a deficient number, since it is larger than the sum of its proper divisors (172661).

2934931 is a wasteful number, since it uses less digits than its factorization.

2934931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172660.

The product of its digits is 5832, while the sum is 31.

The square root of 2934931 is about 1713.1640318428. The cubic root of 2934931 is about 143.1745956151.

The spelling of 2934931 in words is "two million, nine hundred thirty-four thousand, nine hundred thirty-one".

Divisors: 1 17 172643 2934931