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2949506 = 27230097
BaseRepresentation
bin1011010000000110000010
312112211221222
423100012002
51223341011
6143115042
734033100
oct13200602
95484858
102949506
11173500a
12ba2a82
137c3691
1456ac70
153d3ddb
hex2d0182

2949506 has 12 divisors (see below), whose sum is σ = 5146758. Its totient is φ = 1264032.

The previous prime is 2949493. The next prime is 2949509. The reversal of 2949506 is 6059492.

2949506 = T66 + T67 + ... + T261.

It can be written as a sum of positive squares in only one way, i.e., 2941225 + 8281 = 1715^2 + 91^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2949509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14951 + ... + 15146.

22949506 is an apocalyptic number.

2949506 is a deficient number, since it is larger than the sum of its proper divisors (2197252).

2949506 is a wasteful number, since it uses less digits than its factorization.

2949506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30113 (or 30106 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2949506 is about 1717.4125887509. The cubic root of 2949506 is about 143.4112082077.

The spelling of 2949506 in words is "two million, nine hundred forty-nine thousand, five hundred six".

Divisors: 1 2 7 14 49 98 30097 60194 210679 421358 1474753 2949506