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4145401 = 132191291
BaseRepresentation
bin1111110100000011111001
321210121102101
433310003321
52030123101
6224503401
750143501
oct17640371
97717371
104145401
112381557
12147ab61
13b21b00
1479ca01
1556d401
hex3f40f9

4145401 has 12 divisors (see below), whose sum is σ = 4728720. Its totient is φ = 3622320.

The previous prime is 4145389. The next prime is 4145419. The reversal of 4145401 is 1045414.

It is not a de Polignac number, because 4145401 - 211 = 4143353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

4145401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4145201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2566 + ... + 3856.

It is an arithmetic number, because the mean of its divisors is an integer number (394060).

Almost surely, 24145401 is an apocalyptic number.

4145401 is the 1176-th hex number.

It is an amenable number.

4145401 is a deficient number, since it is larger than the sum of its proper divisors (583319).

4145401 is a wasteful number, since it uses less digits than its factorization.

4145401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4145401 is about 2036.0257856913. The cubic root of 4145401 is about 160.6406733736.

The spelling of 4145401 in words is "four million, one hundred forty-five thousand, four hundred one".

Divisors: 1 13 19 169 247 1291 3211 16783 24529 218179 318877 4145401