Search a number
-
+
101275940 = 2255063797
BaseRepresentation
bin1100000100101…
…01100100100100
321001120100110202
412002111210210
5201411312230
614014410032
72336555063
oct602254444
9231510422
10101275940
1152193127
1229b00918
1317c9c4bc
14d6441da
158d57a45
hex6095924

101275940 has 12 divisors (see below), whose sum is σ = 212679516. Its totient is φ = 40510368.

The previous prime is 101275939. The next prime is 101275943. The reversal of 101275940 is 49572101.

It can be written as a sum of positive squares in 2 ways, for example, as 69488896 + 31787044 = 8336^2 + 5638^2 .

It is not an unprimeable number, because it can be changed into a prime (101275943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2531879 + ... + 2531918.

It is an arithmetic number, because the mean of its divisors is an integer number (17723293).

Almost surely, 2101275940 is an apocalyptic number.

101275940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101275940 is an abundant number, since it is smaller than the sum of its proper divisors (111403576).

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

101275940 is a wasteful number, since it uses less digits than its factorization.

101275940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063806 (or 5063804 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 101275940 is about 10063.5947851650. The cubic root of 101275940 is about 466.1246757592.

The spelling of 101275940 in words is "one hundred one million, two hundred seventy-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 5063797 10127594 20255188 25318985 50637970 101275940