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7424990 = 25742499
BaseRepresentation
bin11100010100101111011110
3111222020011122
4130110233132
53400044430
6423050542
7120053126
oct34245736
914866148
107424990
114211561
1225a0a52
1316cc7b1
14db3c86
159b9ee5
hex714bde

7424990 has 8 divisors (see below), whose sum is σ = 13365000. Its totient is φ = 2969992.

The previous prime is 7424983. The next prime is 7424993. The reversal of 7424990 is 994247.

7424990 is nontrivially palindromic in base 12.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7424990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7424993) 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, 371240 + ... + 371259.

It is an arithmetic number, because the mean of its divisors is an integer number (1670625).

Almost surely, 27424990 is an apocalyptic number.

7424990 is a deficient number, since it is larger than the sum of its proper divisors (5940010).

7424990 is a wasteful number, since it uses less digits than its factorization.

7424990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742506.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 7424990 is about 2724.8834837475. The cubic root of 7424990 is about 195.0886294458.

The spelling of 7424990 in words is "seven million, four hundred twenty-four thousand, nine hundred ninety".

Divisors: 1 2 5 10 742499 1484998 3712495 7424990