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172093077 = 32132116971
BaseRepresentation
bin10100100000111…
…10111010010101
3102222211020022200
422100132322111
5323023434302
625024315113
74156524042
oct1220367225
9388736280
10172093077
1189162092
1249772a99
1329865c30
1418bda1c9
151019581c
hexa41ee95

172093077 has 24 divisors (see below), whose sum is σ = 269007648. Its totient is φ = 105386400.

The previous prime is 172093069. The next prime is 172093081. The reversal of 172093077 is 770390271.

172093077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172093077 - 23 = 172093069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172093037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21202 + ... + 28172.

It is an arithmetic number, because the mean of its divisors is an integer number (11208652).

Almost surely, 2172093077 is an apocalyptic number.

It is an amenable number.

172093077 is a deficient number, since it is larger than the sum of its proper divisors (96914571).

172093077 is a wasteful number, since it uses less digits than its factorization.

172093077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7201 (or 7198 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 172093077 is about 13118.4250960243. The cubic root of 172093077 is about 556.2300742431.

The spelling of 172093077 in words is "one hundred seventy-two million, ninety-three thousand, seventy-seven".

Divisors: 1 3 9 13 39 117 211 633 1899 2743 6971 8229 20913 24687 62739 90623 271869 815607 1470881 4412643 13237929 19121453 57364359 172093077