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1000415420 = 22561980809
BaseRepresentation
bin111011101000010…
…010000010111100
32120201110100221222
4323220102002330
54022101243140
6243134212512
733535251014
oct7350220274
92521410858
101000415420
11473787a04
1223b054138
1312c3542b4
1496c18c44
155cc645b5
hex3ba120bc

1000415420 has 24 divisors (see below), whose sum is σ = 2104292400. Its totient is φ = 399514752.

The previous prime is 1000415399. The next prime is 1000415431. The reversal of 1000415420 is 245140001.

It is a super-3 number, since 3×10004154203 (a number of 28 digits) contains 333 as substring.

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, 28025 + ... + 52784.

It is an arithmetic number, because the mean of its divisors is an integer number (87678850).

Almost surely, 21000415420 is an apocalyptic number.

1000415420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000415420 is an abundant number, since it is smaller than the sum of its proper divisors (1103876980).

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

1000415420 is a wasteful number, since it uses less digits than its factorization.

1000415420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81437 (or 81435 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1000415420 is about 31629.3442865956. The cubic root of 1000415420 is about 1000.1384541629.

Adding to 1000415420 its reverse (245140001), we get a palindrome (1245555421).

The spelling of 1000415420 in words is "one billion, four hundred fifteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 619 1238 2476 3095 6190 12380 80809 161618 323236 404045 808090 1616180 50020771 100041542 200083084 250103855 500207710 1000415420