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1013451040 = 2557904867
BaseRepresentation
bin111100011010000…
…000100100100000
32121121222122110201
4330122000210200
54033420413130
6244321434544
734054122520
oct7432004440
92547878421
101013451040
11480080848
1224349ba54
13131c69794
149884d680
155de8bbca
hex3c680920

1013451040 has 48 divisors (see below), whose sum is σ = 2736320832. Its totient is φ = 347468544.

The previous prime is 1013450959. The next prime is 1013451041. The reversal of 1013451040 is 401543101.

It is a junction number, because it is equal to n+sod(n) for n = 1013450999 and 1013451017.

It is not an unprimeable number, because it can be changed into a prime (1013451041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451314 + ... + 453553.

It is an arithmetic number, because the mean of its divisors is an integer number (57006684).

Almost surely, 21013451040 is an apocalyptic number.

1013451040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013451040 is an abundant number, since it is smaller than the sum of its proper divisors (1722869792).

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

1013451040 is an equidigital number, since it uses as much as digits as its factorization.

1013451040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904889 (or 904881 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1013451040 is about 31834.7457976344. The cubic root of 1013451040 is about 1004.4637255082.

Adding to 1013451040 its reverse (401543101), we get a palindrome (1414994141).

The spelling of 1013451040 in words is "one billion, thirteen million, four hundred fifty-one thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 904867 1809734 3619468 4524335 6334069 7238936 9048670 12668138 14477872 18097340 25336276 28955744 31670345 36194680 50672552 63340690 72389360 101345104 126681380 144778720 202690208 253362760 506725520 1013451040