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97320042 = 23666749
BaseRepresentation
bin1011100110011…
…11110001101010
320210010101000000
411303033301222
5144403220132
613353523430
72261130621
oct563176152
9223111000
1097320042
114aa30a96
1228713576
1317215a31
14ccd46b8
15882587c
hex5ccfc6a

97320042 has 28 divisors (see below), whose sum is σ = 218873250. Its totient is φ = 32439528.

The previous prime is 97320037. The next prime is 97320077. The reversal of 97320042 is 24002379.

It can be written as a sum of positive squares in only one way, i.e., 77951241 + 19368801 = 8829^2 + 4401^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 97319988 and 97320015.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 31917 + ... + 34832.

Almost surely, 297320042 is an apocalyptic number.

97320042 is an abundant number, since it is smaller than the sum of its proper divisors (121553208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97320042 is an equidigital number, since it uses as much as digits as its factorization.

97320042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66769 (or 66754 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 97320042 is about 9865.0920928291. The cubic root of 97320042 is about 459.9748599997.

The spelling of 97320042 in words is "ninety-seven million, three hundred twenty thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 1458 66749 133498 200247 400494 600741 1201482 1802223 3604446 5406669 10813338 16220007 32440014 48660021 97320042