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161412958 = 2727920849
BaseRepresentation
bin10011001111011…
…11011101011110
3102020201121221201
421213233131132
5312310203313
624003350114
73666662500
oct1147573536
9366647851
10161412958
1183127a43
124608233a
1327596935
1417619d70
15e2860dd
hex99ef75e

161412958 has 24 divisors (see below), whose sum is σ = 285228000. Its totient is φ = 68298048.

The previous prime is 161412917. The next prime is 161412959. The reversal of 161412958 is 859214161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161412959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2683 + ... + 18166.

It is an arithmetic number, because the mean of its divisors is an integer number (11884500).

Almost surely, 2161412958 is an apocalyptic number.

161412958 is a deficient number, since it is larger than the sum of its proper divisors (123815042).

161412958 is a wasteful number, since it uses less digits than its factorization.

161412958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20944 (or 20937 counting only the distinct ones).

The product of its digits is 17280, while the sum is 37.

The square root of 161412958 is about 12704.8399438954. The cubic root of 161412958 is about 544.4769079660.

The spelling of 161412958 in words is "one hundred sixty-one million, four hundred twelve thousand, nine hundred fifty-eight".

Divisors: 1 2 7 14 49 79 98 158 553 1106 3871 7742 20849 41698 145943 291886 1021601 1647071 2043202 3294142 11529497 23058994 80706479 161412958