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97384139 = 192329689
BaseRepresentation
bin1011100110111…
…11011011001011
320210020121220222
411303133123023
5144412243024
613355140255
72261515526
oct563373313
9223217828
1097384139
114aa75166
122874468b
1317238c68
14cd0dbbd
15883985e
hex5cdf6cb

97384139 has 12 divisors (see below), whose sum is σ = 107171400. Its totient is φ = 88238304.

The previous prime is 97384129. The next prime is 97384151. The reversal of 97384139 is 93148379.

It is a happy number.

It is not a de Polignac number, because 97384139 - 220 = 96335563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97384139.

It is not an unprimeable number, because it can be changed into a prime (97384129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5207 + ... + 14895.

It is an arithmetic number, because the mean of its divisors is an integer number (8930950).

Almost surely, 297384139 is an apocalyptic number.

97384139 is a deficient number, since it is larger than the sum of its proper divisors (9787261).

97384139 is a wasteful number, since it uses less digits than its factorization.

97384139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9754 (or 9731 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 97384139 is about 9868.3402353182. The cubic root of 97384139 is about 460.0758208353.

The spelling of 97384139 in words is "ninety-seven million, three hundred eighty-four thousand, one hundred thirty-nine".

Divisors: 1 19 23 437 529 9689 10051 184091 222847 4234093 5125481 97384139