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100240005 = 356779871
BaseRepresentation
bin1011111100110…
…00101010000101
320222121201102210
411332120222011
5201130140010
613540254033
72325011625
oct576305205
9228551383
10100240005
1151645888
12296a1319
13179c8b18
14d454885
158c00b20
hex5f98a85

100240005 has 16 divisors (see below), whose sum is σ = 160637184. Its totient is φ = 53376960.

The previous prime is 100239983. The next prime is 100240027. The reversal of 100240005 is 500042001.

It is an interprime number because it is at equal distance from previous prime (100239983) and next prime (100240027).

It is not a de Polignac number, because 100240005 - 210 = 100238981 is a prime.

It is a super-3 number, since 3×1002400053 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5220 + ... + 15090.

It is an arithmetic number, because the mean of its divisors is an integer number (10039824).

Almost surely, 2100240005 is an apocalyptic number.

100240005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100240005 is a deficient number, since it is larger than the sum of its proper divisors (60397179).

100240005 is an equidigital number, since it uses as much as digits as its factorization.

100240005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10556.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 100240005 is about 10011.9930583276. The cubic root of 100240005 is about 464.5299215254.

Adding to 100240005 its reverse (500042001), we get a palindrome (600282006).

The spelling of 100240005 in words is "one hundred million, two hundred forty thousand, five".

Divisors: 1 3 5 15 677 2031 3385 9871 10155 29613 49355 148065 6682667 20048001 33413335 100240005