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1055457744 = 243113164483
BaseRepresentation
bin111110111010010…
…000000111010000
32201120000210211120
4332322100013100
54130144121434
6252422042240
735104146165
oct7672200720
92646023746
101055457744
114a1862030
12255579380
1313a886813
14a026606c
15629d8349
hex3ee901d0

1055457744 has 80 divisors (see below), whose sum is σ = 3070470144. Its totient is φ = 309513600.

The previous prime is 1055457743. The next prime is 1055457769. The reversal of 1055457744 is 4477545501.

It is a super-2 number, since 2×10554577442 = 2227982098739139072, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1055457696 and 1055457705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055457743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15874 + ... + 48609.

Almost surely, 21055457744 is an apocalyptic number.

It is an amenable number.

1055457744 is an abundant number, since it is smaller than the sum of its proper divisors (2015012400).

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

1055457744 is a wasteful number, since it uses less digits than its factorization.

1055457744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64536 (or 64530 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 42.

The square root of 1055457744 is about 32487.8091597448. The cubic root of 1055457744 is about 1018.1543401637.

The spelling of 1055457744 in words is "one billion, fifty-five million, four hundred fifty-seven thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 31 33 44 48 62 66 88 93 124 132 176 186 248 264 341 372 496 528 682 744 1023 1364 1488 2046 2728 4092 5456 8184 16368 64483 128966 193449 257932 386898 515864 709313 773796 1031728 1418626 1547592 1998973 2127939 2837252 3095184 3997946 4255878 5674504 5996919 7995892 8511756 11349008 11993838 15991784 17023512 21988703 23987676 31983568 34047024 43977406 47975352 65966109 87954812 95950704 131932218 175909624 263864436 351819248 527728872 1055457744