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101324420 = 22517298013
BaseRepresentation
bin1100000101000…
…01011010000100
321001122210222022
412002201122010
5201414340140
614015422312
72340146321
oct602413204
9231583868
10101324420
115221659a
1229b24998
1317cb85a2
14d657b48
158d670b5
hex60a1684

101324420 has 24 divisors (see below), whose sum is σ = 225298584. Its totient is φ = 38145536.

The previous prime is 101324413. The next prime is 101324449. The reversal of 101324420 is 24423101.

It can be written as a sum of positive squares in 4 ways, for example, as 36554116 + 64770304 = 6046^2 + 8048^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 148667 + ... + 149346.

It is an arithmetic number, because the mean of its divisors is an integer number (9387441).

Almost surely, 2101324420 is an apocalyptic number.

101324420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101324420 is an abundant number, since it is smaller than the sum of its proper divisors (123974164).

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

101324420 is a wasteful number, since it uses less digits than its factorization.

101324420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298039 (or 298037 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 101324420 is about 10066.0031790180. The cubic root of 101324420 is about 466.1990406395.

Adding to 101324420 its reverse (24423101), we get a palindrome (125747521).

The spelling of 101324420 in words is "one hundred one million, three hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 298013 596026 1192052 1490065 2980130 5066221 5960260 10132442 20264884 25331105 50662210 101324420