Search a number
-
+
7949002 = 23974501
BaseRepresentation
bin11110010100101011001010
3112221211222111
4132110223022
54013332002
6442212534
7124364635
oct36245312
915854874
107949002
11453a226
1227b414a
131854169
1410acc1c
15a703d7
hex794aca

7949002 has 4 divisors (see below), whose sum is σ = 11923506. Its totient is φ = 3974500.

The previous prime is 7948999. The next prime is 7949009. The reversal of 7949002 is 2009497.

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

It can be written as a sum of positive squares in only one way, i.e., 5574321 + 2374681 = 2361^2 + 1541^2 .

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 not an unprimeable number, because it can be changed into a prime (7949009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987249 + ... + 1987252.

Almost surely, 27949002 is an apocalyptic number.

7949002 is a deficient number, since it is larger than the sum of its proper divisors (3974504).

7949002 is a wasteful number, since it uses less digits than its factorization.

7949002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974503.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 7949002 is about 2819.3974533577. The cubic root of 7949002 is about 199.5741104007.

The spelling of 7949002 in words is "seven million, nine hundred forty-nine thousand, two".

Divisors: 1 2 3974501 7949002