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119640219 = 31131392539
BaseRepresentation
bin1110010000110…
…01000010011011
322100010100112020
413020121002123
5221111441334
615512145523
72651632206
oct710310233
9270110466
10119640219
1161596516
12340982a3
131ba2c23a
1411c6493d
15a783e49
hex721909b

119640219 has 16 divisors (see below), whose sum is σ = 162153600. Its totient is φ = 78454656.

The previous prime is 119640187. The next prime is 119640221. The reversal of 119640219 is 912046911.

It is not a de Polignac number, because 119640219 - 25 = 119640187 is a prime.

It is a super-2 number, since 2×1196402192 = 28627564004735922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 119640219.

It is not an unprimeable number, because it can be changed into a prime (119640229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45852 + ... + 48390.

It is an arithmetic number, because the mean of its divisors is an integer number (10134600).

Almost surely, 2119640219 is an apocalyptic number.

119640219 is a deficient number, since it is larger than the sum of its proper divisors (42513381).

119640219 is a wasteful number, since it uses less digits than its factorization.

119640219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 119640219 is about 10938.0171420601. The cubic root of 119640219 is about 492.7489790423.

The spelling of 119640219 in words is "one hundred nineteen million, six hundred forty thousand, two hundred nineteen".

Divisors: 1 3 113 139 339 417 2539 7617 15707 47121 286907 352921 860721 1058763 39880073 119640219