Search a number
-
+
101022940 = 2255051147
BaseRepresentation
bin1100000010101…
…11110011011100
321001002111102101
412001113303130
5201330213230
614005134444
72334452344
oct601276334
9231074371
10101022940
1152030037
12299ba424
1317c112b5
14d5b9d24
158d07aca
hex6057cdc

101022940 has 12 divisors (see below), whose sum is σ = 212148216. Its totient is φ = 40409168.

The previous prime is 101022931. The next prime is 101022949. The reversal of 101022940 is 49220101.

It is an interprime number because it is at equal distance from previous prime (101022931) and next prime (101022949).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022949) 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, 2525554 + ... + 2525593.

It is an arithmetic number, because the mean of its divisors is an integer number (17679018).

Almost surely, 2101022940 is an apocalyptic number.

101022940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101022940 is an abundant number, since it is smaller than the sum of its proper divisors (111125276).

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

101022940 is a wasteful number, since it uses less digits than its factorization.

101022940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051156 (or 5051154 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 101022940 is about 10051.0168639795. The cubic root of 101022940 is about 465.7362061305.

The spelling of 101022940 in words is "one hundred one million, twenty-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 5051147 10102294 20204588 25255735 50511470 101022940