Search a number
-
+
97007287 = 13172631669
BaseRepresentation
bin1011100100000…
…11011010110111
320202112110222111
411302003122313
5144313213122
613343111451
72255356036
oct562033267
9222473874
1097007287
114a838013
12285a2587
1317136580
14cc5271d
1587b2d77
hex5c836b7

97007287 has 16 divisors (see below), whose sum is σ = 111101760. Its totient is φ = 83907072.

The previous prime is 97007257. The next prime is 97007311. The reversal of 97007287 is 78270079.

It is a cyclic number.

It is not a de Polignac number, because 97007287 - 27 = 97007159 is a prime.

It is a super-2 number, since 2×970072872 = 18820827462200738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97007227) 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, 57289 + ... + 58957.

It is an arithmetic number, because the mean of its divisors is an integer number (6943860).

Almost surely, 297007287 is an apocalyptic number.

97007287 is a deficient number, since it is larger than the sum of its proper divisors (14094473).

97007287 is a wasteful number, since it uses less digits than its factorization.

97007287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962.

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 97007287 is about 9849.2277362238. The cubic root of 97007287 is about 459.4815946320.

The spelling of 97007287 in words is "ninety-seven million, seven thousand, two hundred eighty-seven".

Divisors: 1 13 17 221 263 1669 3419 4471 21697 28373 58123 368849 438947 5706311 7462099 97007287