Search a number
-
+
97107280 = 2451213841
BaseRepresentation
bin1011100100110…
…11110101010000
320202201120010221
411302123311100
5144324413110
613345202424
72256253414
oct562336520
9222646127
1097107280
114a8a6156
1228630414
131716cc3a
14cc7ad44
1587d27da
hex5c9bd50

97107280 has 20 divisors (see below), whose sum is σ = 225774612. Its totient is φ = 38842880.

The previous prime is 97107259. The next prime is 97107293. The reversal of 97107280 is 8270179.

It can be written as a sum of positive squares in 2 ways, for example, as 43349056 + 53758224 = 6584^2 + 7332^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606841 + ... + 607000.

Almost surely, 297107280 is an apocalyptic number.

It is an amenable number.

97107280 is an abundant number, since it is smaller than the sum of its proper divisors (128667332).

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

97107280 is a wasteful number, since it uses less digits than its factorization.

97107280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213854 (or 1213848 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 97107280 is about 9854.3026135795. The cubic root of 97107280 is about 459.6394149608.

The spelling of 97107280 in words is "ninety-seven million, one hundred seven thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1213841 2427682 4855364 6069205 9710728 12138410 19421456 24276820 48553640 97107280