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1078700490 = 234571719231
BaseRepresentation
bin100000001001011…
…1010100111001010
32210011202122220000
41000102322213022
54202121403430
6255012143430
735505542250
oct10022724712
92704678800
101078700490
1150399770a
12261307b76
13142633c1a
14a33965d0
1564a79e60
hex404ba9ca

1078700490 has 480 divisors, whose sum is σ = 3823801344. Its totient is φ = 212751360.

The previous prime is 1078700477. The next prime is 1078700531. The reversal of 1078700490 is 940078701.

1078700490 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 34796775 + ... + 34796805.

Almost surely, 21078700490 is an apocalyptic number.

1078700490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078700490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1911900672).

1078700490 is an abundant number, since it is smaller than the sum of its proper divisors (2745100854).

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

1078700490 is a wasteful number, since it uses less digits than its factorization.

1078700490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1078700490 is about 32843.5760842208. The cubic root of 1078700490 is about 1025.5738971359.

The spelling of 1078700490 in words is "one billion, seventy-eight million, seven hundred thousand, four hundred ninety".