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775368901 = 37311171861
BaseRepresentation
bin101110001101110…
…011000011000101
32000000222211011201
4232031303003011
53041443301101
6204534502501
725133345506
oct5615630305
92000884151
10775368901
1136874814a
12197804a31
13c483a888
1474d96bad
154810de01
hex2e3730c5

775368901 has 8 divisors (see below), whose sum is σ = 778561784. Its totient is φ = 772182720.

The previous prime is 775368889. The next prime is 775368907. The reversal of 775368901 is 109863577.

775368901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 46908801 + 728460100 = 6849^2 + 26990^2 .

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

It is a 3-Lehmer number, since φ(775368901) divides (775368901-1)3.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 775368901 - 27 = 775368773 is a prime.

It is a deceptive number, since it divides R775368900.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775368907) 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, 415711 + ... + 417571.

It is an arithmetic number, because the mean of its divisors is an integer number (97320223).

It is a Poulet number, since it divides 2775368900-1.

Almost surely, 2775368901 is an apocalyptic number.

It is an amenable number.

775368901 is a deficient number, since it is larger than the sum of its proper divisors (3192883).

775368901 is a wasteful number, since it uses less digits than its factorization.

775368901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 775368901 is about 27845.4466834346. The cubic root of 775368901 is about 918.6909948007.

The spelling of 775368901 in words is "seven hundred seventy-five million, three hundred sixty-eight thousand, nine hundred one".

Divisors: 1 373 1117 1861 416641 694153 2078737 775368901