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401382145 = 51071096883
BaseRepresentation
bin10111111011001…
…001101100000001
31000222021022210101
4113323021230001
51310223212040
6103455002401
712642456223
oct2773115401
91028238711
10401382145
1119662a38a
12b2509401
1365206738
143b444413
152538809a
hex17ec9b01

401382145 has 16 divisors (see below), whose sum is σ = 490691520. Its totient is φ = 315140544.

The previous prime is 401382139. The next prime is 401382151. The reversal of 401382145 is 541283104.

It is an interprime number because it is at equal distance from previous prime (401382139) and next prime (401382151).

It is a cyclic number.

It is not a de Polignac number, because 401382145 - 213 = 401373953 is a prime.

It is a super-2 number, since 2×4013821452 = 322215252649602050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54874 + ... + 61756.

It is an arithmetic number, because the mean of its divisors is an integer number (30668220).

Almost surely, 2401382145 is an apocalyptic number.

It is an amenable number.

401382145 is a deficient number, since it is larger than the sum of its proper divisors (89309375).

401382145 is a wasteful number, since it uses less digits than its factorization.

401382145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 401382145 is about 20034.5238276331. The cubic root of 401382145 is about 737.6539684282.

The spelling of 401382145 in words is "four hundred one million, three hundred eighty-two thousand, one hundred forty-five".

Divisors: 1 5 107 109 535 545 6883 11663 34415 58315 736481 750247 3682405 3751235 80276429 401382145