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97151742 = 2326780557
BaseRepresentation
bin1011100101001…
…10101011111110
320202210211010200
411302212223332
5144332323432
613350144330
72256530142
oct562465376
9222724120
1097151742
114a9265a6
12286520a6
131718724c
14cc8d222
1587e0a7c
hex5ca6afe

97151742 has 24 divisors (see below), whose sum is σ = 213639816. Its totient is φ = 31900176.

The previous prime is 97151741. The next prime is 97151759. The reversal of 97151742 is 24715179.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 97151697 and 97151706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97151741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39073 + ... + 41484.

It is an arithmetic number, because the mean of its divisors is an integer number (8901659).

Almost surely, 297151742 is an apocalyptic number.

97151742 is an abundant number, since it is smaller than the sum of its proper divisors (116488074).

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

97151742 is a wasteful number, since it uses less digits than its factorization.

97151742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80632 (or 80629 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 97151742 is about 9856.5583242834. The cubic root of 97151742 is about 459.7095551515.

The spelling of 97151742 in words is "ninety-seven million, one hundred fifty-one thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 67 134 201 402 603 1206 80557 161114 241671 483342 725013 1450026 5397319 10794638 16191957 32383914 48575871 97151742