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368406945 = 32531264091
BaseRepresentation
bin10101111101010…
…111000110100001
3221200020000022200
4111331113012201
51223303010240
6100320123413
712062256504
oct2575270641
9850200280
10368406945
11179a57655
12a3466569
135b42c49a
1436cdd13b
1522522930
hex15f571a1

368406945 has 24 divisors (see below), whose sum is σ = 659173632. Its totient is φ = 190144800.

The previous prime is 368406917. The next prime is 368406959. The reversal of 368406945 is 549604863.

It is not a de Polignac number, because 368406945 - 225 = 334852513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 368406945.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130651 + ... + 133440.

It is an arithmetic number, because the mean of its divisors is an integer number (27465568).

Almost surely, 2368406945 is an apocalyptic number.

It is an amenable number.

368406945 is a deficient number, since it is larger than the sum of its proper divisors (290766687).

368406945 is a wasteful number, since it uses less digits than its factorization.

368406945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264133 (or 264130 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 368406945 is about 19193.9298998407. The cubic root of 368406945 is about 716.8736260646.

The spelling of 368406945 in words is "three hundred sixty-eight million, four hundred six thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 31 45 93 155 279 465 1395 264091 792273 1320455 2376819 3961365 8186821 11884095 24560463 40934105 73681389 122802315 368406945