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355682401 = 1572265493
BaseRepresentation
bin10101001100110…
…100100001100001
3220210021112112021
4111030310201201
51212023314101
655143301441
711546151634
oct2514644141
9823245467
10355682401
111728564a8
129b14a881
13588c5779
1435349c1b
152135c5a1
hex15334861

355682401 has 4 divisors (see below), whose sum is σ = 357948052. Its totient is φ = 353416752.

The previous prime is 355682357. The next prime is 355682407. The reversal of 355682401 is 104286553.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 216796176 + 138886225 = 14724^2 + 11785^2 .

It is a cyclic number.

It is not a de Polignac number, because 355682401 - 215 = 355649633 is a prime.

It is a super-2 number, since 2×3556824012 = 253019940762249602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355682407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132590 + ... + 1132903.

It is an arithmetic number, because the mean of its divisors is an integer number (89487013).

Almost surely, 2355682401 is an apocalyptic number.

It is an amenable number.

355682401 is a deficient number, since it is larger than the sum of its proper divisors (2265651).

355682401 is a wasteful number, since it uses less digits than its factorization.

355682401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265650.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 355682401 is about 18859.5440294828. The cubic root of 355682401 is about 708.5232819795.

The spelling of 355682401 in words is "three hundred fifty-five million, six hundred eighty-two thousand, four hundred one".

Divisors: 1 157 2265493 355682401