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100776140 = 2255038807
BaseRepresentation
bin1100000000110…
…11100011001100
321000121221212122
412000123203030
5201244314030
613555552112
72332403663
oct600334314
9230557778
10100776140
1151981673
12298bb638
1317b55b6a
14d553dda
158ca98e5
hex601b8cc

100776140 has 12 divisors (see below), whose sum is σ = 211629936. Its totient is φ = 40310448.

The previous prime is 100776139. The next prime is 100776149. The reversal of 100776140 is 41677001.

It is not an unprimeable number, because it can be changed into a prime (100776149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2519384 + ... + 2519423.

It is an arithmetic number, because the mean of its divisors is an integer number (17635828).

Almost surely, 2100776140 is an apocalyptic number.

100776140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100776140 is an abundant number, since it is smaller than the sum of its proper divisors (110853796).

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

100776140 is a wasteful number, since it uses less digits than its factorization.

100776140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038816 (or 5038814 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 100776140 is about 10038.7319916412. The cubic root of 100776140 is about 465.3566308718.

The spelling of 100776140 in words is "one hundred million, seven hundred seventy-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 5038807 10077614 20155228 25194035 50388070 100776140