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355500025 = 52116312227
BaseRepresentation
bin10101001100000…
…111111111111001
3220202221021100121
4111030013333321
51212002000100
655135333241
711544462136
oct2514077771
9822837317
10355500025
11172741481
129b081221
135886075a
14352dd58d
152132351a
hex15307ff9

355500025 has 12 divisors (see below), whose sum is σ = 441235152. Its totient is φ = 284132240.

The previous prime is 355500023. The next prime is 355500031. The reversal of 355500025 is 520005553.

It is not a de Polignac number, because 355500025 - 21 = 355500023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355500023) 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, 22962 + ... + 35188.

It is an arithmetic number, because the mean of its divisors is an integer number (36769596).

Almost surely, 2355500025 is an apocalyptic number.

It is an amenable number.

355500025 is a deficient number, since it is larger than the sum of its proper divisors (85735127).

355500025 is a wasteful number, since it uses less digits than its factorization.

355500025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13400 (or 13395 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 355500025 is about 18854.7082979292. The cubic root of 355500025 is about 708.4021629386.

Adding to 355500025 its reverse (520005553), we get a palindrome (875505578).

The spelling of 355500025 in words is "three hundred fifty-five million, five hundred thousand, twenty-five".

Divisors: 1 5 25 1163 5815 12227 29075 61135 305675 14220001 71100005 355500025