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1013214340 = 225197257161
BaseRepresentation
bin111100011001000…
…110110010000100
32121121112121210001
4330121012302010
54033340324330
6244312411044
734052115445
oct7431066204
92547477701
101013214340
1147aa29a26
122433a6a84
13131bb5b18
14987cb2cc
155de419ca
hex3c646c84

1013214340 has 24 divisors (see below), whose sum is σ = 2138559192. Its totient is φ = 403226880.

The previous prime is 1013214329. The next prime is 1013214353. The reversal of 1013214340 is 434123101.

It can be written as a sum of positive squares in 4 ways, for example, as 260370496 + 752843844 = 16136^2 + 27438^2 .

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 7 ways as a sum of consecutive naturals, for example, 124641 + ... + 132520.

It is an arithmetic number, because the mean of its divisors is an integer number (89106633).

Almost surely, 21013214340 is an apocalyptic number.

1013214340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013214340 is an abundant number, since it is smaller than the sum of its proper divisors (1125344852).

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

1013214340 is a wasteful number, since it uses less digits than its factorization.

1013214340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257367 (or 257365 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1013214340 is about 31831.0279444444. The cubic root of 1013214340 is about 1004.3855191069.

Adding to 1013214340 its reverse (434123101), we get a palindrome (1447337441).

The spelling of 1013214340 in words is "one billion, thirteen million, two hundred fourteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 197 394 788 985 1970 3940 257161 514322 1028644 1285805 2571610 5143220 50660717 101321434 202642868 253303585 506607170 1013214340