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408925 = 52111487
BaseRepresentation
bin1100011110101011101
3202202221101
41203311131
5101041200
612433101
73322126
oct1436535
9682841
10408925
1125a260
12178791
1311418a
14a904d
158126a
hex63d5d

408925 has 12 divisors (see below), whose sum is σ = 553536. Its totient is φ = 297200.

The previous prime is 408923. The next prime is 408943. The reversal of 408925 is 529804.

It is a happy number.

It is not a de Polignac number, because 408925 - 21 = 408923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 408893 and 408902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469 + ... + 1018.

It is an arithmetic number, because the mean of its divisors is an integer number (46128).

2408925 is an apocalyptic number.

It is an amenable number.

408925 is a deficient number, since it is larger than the sum of its proper divisors (144611).

408925 is a wasteful number, since it uses less digits than its factorization.

408925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 408925 is about 639.4724388119. The cubic root of 408925 is about 74.2246036934.

It can be divided in two parts, 4089 and 25, that added together give a palindrome (4114).

The spelling of 408925 in words is "four hundred eight thousand, nine hundred twenty-five".

Divisors: 1 5 11 25 55 275 1487 7435 16357 37175 81785 408925