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369645445 = 5135686853
BaseRepresentation
bin10110000010000…
…101011110000101
3221202112221020001
4112002011132011
51224112123240
6100402441301
712105635341
oct2602053605
9852487201
10369645445
1117a723104
12a3963231
135b774120
1437142621
15226b989a
hex16085785

369645445 has 8 divisors (see below), whose sum is σ = 477695736. Its totient is φ = 272968896.

The previous prime is 369645439. The next prime is 369645449. The reversal of 369645445 is 544546963.

It can be written as a sum of positive squares in 4 ways, for example, as 13417569 + 356227876 = 3663^2 + 18874^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 369645445 - 211 = 369643397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 369645395 and 369645404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (369645449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2843362 + ... + 2843491.

It is an arithmetic number, because the mean of its divisors is an integer number (59711967).

Almost surely, 2369645445 is an apocalyptic number.

It is an amenable number.

369645445 is a deficient number, since it is larger than the sum of its proper divisors (108050291).

369645445 is a wasteful number, since it uses less digits than its factorization.

369645445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686871.

The product of its digits is 1555200, while the sum is 46.

The square root of 369645445 is about 19226.1656343640. The cubic root of 369645445 is about 717.6760493430.

It can be divided in two parts, 3696 and 45445, that added together give a triangular number (49141 = T313).

The spelling of 369645445 in words is "three hundred sixty-nine million, six hundred forty-five thousand, four hundred forty-five".

Divisors: 1 5 13 65 5686853 28434265 73929089 369645445