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97019995 = 525917489
BaseRepresentation
bin1011100100001…
…10100001011011
320202120010102011
411302012201123
5144314114440
613343250351
72255441062
oct562064133
9222503364
1097019995
114a846616
12285a99b7
131713c2a7
14cc571d9
1587b69ea
hex5c8685b

97019995 has 8 divisors (see below), whose sum is σ = 116484480. Its totient is φ = 77575680.

The previous prime is 97019983. The next prime is 97020017. The reversal of 97019995 is 59991079.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-97019995 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9211 + ... + 16699.

It is an arithmetic number, because the mean of its divisors is an integer number (14560560).

Almost surely, 297019995 is an apocalyptic number.

97019995 is a deficient number, since it is larger than the sum of its proper divisors (19464485).

97019995 is a wasteful number, since it uses less digits than its factorization.

97019995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10085.

The product of its (nonzero) digits is 229635, while the sum is 49.

The square root of 97019995 is about 9849.8728418188. The cubic root of 97019995 is about 459.5016578573.

The spelling of 97019995 in words is "ninety-seven million, nineteen thousand, nine hundred ninety-five".

Divisors: 1 5 2591 7489 12955 37445 19403999 97019995