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1055088720 = 243357312251
BaseRepresentation
bin111110111000110…
…110000001010000
32201112100001122000
4332320312001100
54130100314340
6252410114000
735101051260
oct7670660120
92645301560
101055088720
114a162a854
1225541b900
1313a78786a
14a01ab7a0
1562963d30
hex3ee36050

1055088720 has 320 divisors, whose sum is σ = 4289249280. Its totient is φ = 233280000.

The previous prime is 1055088659. The next prime is 1055088737. The reversal of 1055088720 is 278805501.

1055088720 is a `hidden beast` number, since 1 + 0 + 550 + 8 + 87 + 20 = 666.

It is a super-2 number, since 2×10550887202 = 2226424414142476800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 467595 + ... + 469845.

It is an arithmetic number, because the mean of its divisors is an integer number (13403904).

Almost surely, 21055088720 is an apocalyptic number.

1055088720 is a gapful number since it is divisible by the number (10) 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 1055088720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2144624640).

1055088720 is an abundant number, since it is smaller than the sum of its proper divisors (3234160560).

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

1055088720 is a wasteful number, since it uses less digits than its factorization.

1055088720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311 (or 2299 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 1055088720 is about 32482.1292405532. The cubic root of 1055088720 is about 1018.0356658455.

The spelling of 1055088720 in words is "one billion, fifty-five million, eighty-eight thousand, seven hundred twenty".