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100380140 = 2257717001
BaseRepresentation
bin1011111101110…
…10110111101100
320222212211122222
411332322313230
5201144131030
613543254512
72326134320
oct576726754
9228784588
10100380140
11517310a3
122974a438
1317a47843
14d48d980
158c2c3e5
hex5fbadec

100380140 has 24 divisors (see below), whose sum is σ = 240912672. Its totient is φ = 34416000.

The previous prime is 100380131. The next prime is 100380143. The reversal of 100380140 is 41083001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100380143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358361 + ... + 358640.

It is an arithmetic number, because the mean of its divisors is an integer number (10038028).

Almost surely, 2100380140 is an apocalyptic number.

100380140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100380140 is an abundant number, since it is smaller than the sum of its proper divisors (140532532).

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

100380140 is a wasteful number, since it uses less digits than its factorization.

100380140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717017 (or 717015 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 100380140 is about 10018.9889709491. The cubic root of 100380140 is about 464.7462908583.

The spelling of 100380140 in words is "one hundred million, three hundred eighty thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 717001 1434002 2868004 3585005 5019007 7170010 10038014 14340020 20076028 25095035 50190070 100380140