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4156057040 = 245239217367
BaseRepresentation
bin1111011110111000…
…0110010111010000
3101201122100120110112
43313232012113100
532002422311130
61524222420452
7204663621242
oct36756062720
911648316415
104156057040
111842a93193
1297ba31728
13513061565
142b5d78092
15194cee495
hexf7b865d0

4156057040 has 40 divisors (see below), whose sum is σ = 9703307520. Its totient is φ = 1655459456.

The previous prime is 4156057033. The next prime is 4156057121. The reversal of 4156057040 is 407506514.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 4156056988 and 4156057006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89564 + ... + 127803.

It is an arithmetic number, because the mean of its divisors is an integer number (242582688).

Almost surely, 24156057040 is an apocalyptic number.

4156057040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4156057040 is an abundant number, since it is smaller than the sum of its proper divisors (5547250480).

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

4156057040 is a wasteful number, since it uses less digits than its factorization.

4156057040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217619 (or 217613 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 4156057040 is about 64467.4882401975. The cubic root of 4156057040 is about 1607.7820158623.

The spelling of 4156057040 in words is "four billion, one hundred fifty-six million, fifty-seven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 239 478 956 1195 1912 2390 3824 4780 9560 19120 217367 434734 869468 1086835 1738936 2173670 3477872 4347340 8694680 17389360 51950713 103901426 207802852 259753565 415605704 519507130 831211408 1039014260 2078028520 4156057040