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3405031225 = 52863157823
BaseRepresentation
bin1100101011110100…
…1010011100111001
322210022011111201121
43022331022130321
523433141444400
61321513345241
7150244200511
oct31275123471
98708144647
103405031225
1114980623a2
127b0408221
13423597b9b
1424431a841
1514dded21a
hexcaf4a739

3405031225 has 12 divisors (see below), whose sum is σ = 4227158016. Its totient is φ = 2720851280.

The previous prime is 3405031213. The next prime is 3405031237. The reversal of 3405031225 is 5221305043.

It is an interprime number because it is at equal distance from previous prime (3405031213) and next prime (3405031237).

It is not a de Polignac number, because 3405031225 - 25 = 3405031193 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 a self number, because there is not a number n which added to its sum of digits gives 3405031225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57337 + ... + 100486.

It is an arithmetic number, because the mean of its divisors is an integer number (352263168).

Almost surely, 23405031225 is an apocalyptic number.

It is an amenable number.

3405031225 is a deficient number, since it is larger than the sum of its proper divisors (822126791).

3405031225 is a wasteful number, since it uses less digits than its factorization.

3405031225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158696 (or 158691 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3405031225 is about 58352.6453984736. The cubic root of 3405031225 is about 1504.4359390685.

Adding to 3405031225 its reverse (5221305043), we get a palindrome (8626336268).

The spelling of 3405031225 in words is "three billion, four hundred five million, thirty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 863 4315 21575 157823 789115 3945575 136201249 681006245 3405031225