Search a number
-
+
97861148 = 22711317731
BaseRepresentation
bin1011101010100…
…11111000011100
320211010212020222
411311103320130
5200023024043
613413300512
72265543320
oct565237034
9224125228
1097861148
1150270590
1228934738
1317375108
14cdd5980
1588d0d68
hex5d53e1c

97861148 has 24 divisors (see below), whose sum is σ = 213515904. Its totient is φ = 38127600.

The previous prime is 97861123. The next prime is 97861151. The reversal of 97861148 is 84116879.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 97861099 and 97861108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158558 + ... + 159173.

It is an arithmetic number, because the mean of its divisors is an integer number (8896496).

Almost surely, 297861148 is an apocalyptic number.

It is an amenable number.

97861148 is an abundant number, since it is smaller than the sum of its proper divisors (115654756).

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

97861148 is a wasteful number, since it uses less digits than its factorization.

97861148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317753 (or 317751 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The square root of 97861148 is about 9892.4793656596. The cubic root of 97861148 is about 460.8257819676.

It can be divided in two parts, 978 and 61148, that added together give a palindrome (62126).

The spelling of 97861148 in words is "ninety-seven million, eight hundred sixty-one thousand, one hundred forty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 317731 635462 1270924 2224117 3495041 4448234 6990082 8896468 13980164 24465287 48930574 97861148