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2479390 = 25247939
BaseRepresentation
bin1001011101010100011110
311122222002021
421131110132
51113320030
6125050354
730034354
oct11352436
94588067
102479390
111443891
129b69ba
1368a6c4
144877d4
1533e97a
hex25d51e

2479390 has 8 divisors (see below), whose sum is σ = 4462920. Its totient is φ = 991752.

The previous prime is 2479387. The next prime is 2479409. The reversal of 2479390 is 939742.

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

It is a super-2 number, since 2×24793902 = 12294749544200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123960 + ... + 123979.

It is an arithmetic number, because the mean of its divisors is an integer number (557865).

22479390 is an apocalyptic number.

2479390 is a deficient number, since it is larger than the sum of its proper divisors (1983530).

2479390 is a wasteful number, since it uses less digits than its factorization.

2479390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247946.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2479390 is about 1574.6078876978. The cubic root of 2479390 is about 135.3468902325.

The spelling of 2479390 in words is "two million, four hundred seventy-nine thousand, three hundred ninety".

Divisors: 1 2 5 10 247939 495878 1239695 2479390