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103942008 = 23331923143
BaseRepresentation
bin1100011001000…
…00011101111000
321020120210122000
412030200131320
5203102121013
614151501000
72401330632
oct614403570
9236523560
10103942008
1153744195
122a987760
13186c3b61
14db39a52
1591d2973
hex6320778

103942008 has 192 divisors, whose sum is σ = 321868800. Its totient is φ = 31026240.

The previous prime is 103942001. The next prime is 103942019. The reversal of 103942008 is 800249301.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103942001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2417235 + ... + 2417277.

It is an arithmetic number, because the mean of its divisors is an integer number (1676400).

Almost surely, 2103942008 is an apocalyptic number.

103942008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103942008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160934400).

103942008 is an abundant number, since it is smaller than the sum of its proper divisors (217926792).

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

103942008 is a wasteful number, since it uses less digits than its factorization.

103942008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 103942008 is about 10195.1953389820. The cubic root of 103942008 is about 470.1795119324.

The spelling of 103942008 in words is "one hundred three million, nine hundred forty-two thousand, eight".