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97019741 = 7133313221
BaseRepresentation
bin1011100100001…
…10011101011101
320202120010001202
411302012131131
5144314112431
613343245245
72255440250
oct562063535
9222503052
1097019741
114a846405
12285a9825
131713c140
14cc57097
1587b68cb
hex5c8675d

97019741 has 16 divisors (see below), whose sum is σ = 119806848. Its totient is φ = 76507200.

The previous prime is 97019737. The next prime is 97019759. The reversal of 97019741 is 14791079.

It is not a de Polignac number, because 97019741 - 22 = 97019737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97019695 and 97019704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97019771) 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, 28511 + ... + 31731.

It is an arithmetic number, because the mean of its divisors is an integer number (7487928).

Almost surely, 297019741 is an apocalyptic number.

97019741 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

97019741 is a deficient number, since it is larger than the sum of its proper divisors (22787107).

97019741 is a wasteful number, since it uses less digits than its factorization.

97019741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 97019741 is about 9849.8599482429. The cubic root of 97019741 is about 459.5012568626.

The spelling of 97019741 in words is "ninety-seven million, nineteen thousand, seven hundred forty-one".

Divisors: 1 7 13 91 331 2317 3221 4303 22547 30121 41873 293111 1066151 7463057 13859963 97019741