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26430425 = 527197949
BaseRepresentation
bin110010011010…
…0101111011001
31211201210201122
41210310233121
523231233200
62342255025
7440440430
oct144645731
954653648
1026430425
1113a1262a
128a27475
135625308
143720117
1524c1385
hex1934bd9

26430425 has 24 divisors (see below), whose sum is σ = 39432000. Its totient is φ = 17167680.

The previous prime is 26430409. The next prime is 26430431. The reversal of 26430425 is 52403462.

It is not a de Polignac number, because 26430425 - 24 = 26430409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26430394 and 26430403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 650 + ... + 7299.

It is an arithmetic number, because the mean of its divisors is an integer number (1643000).

Almost surely, 226430425 is an apocalyptic number.

26430425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26430425 is a deficient number, since it is larger than the sum of its proper divisors (13001575).

26430425 is a wasteful number, since it uses less digits than its factorization.

26430425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985 (or 7980 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 26430425 is about 5141.0529077223. The cubic root of 26430425 is about 297.8754528107.

Adding to 26430425 its reverse (52403462), we get a palindrome (78833887).

The spelling of 26430425 in words is "twenty-six million, four hundred thirty thousand, four hundred twenty-five".

Divisors: 1 5 7 19 25 35 95 133 175 475 665 3325 7949 39745 55643 151031 198725 278215 755155 1057217 1391075 3775775 5286085 26430425