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1014251420 = 225713557281
BaseRepresentation
bin111100011101000…
…011111110011100
32121200111022101102
4330131003332130
54034122021140
6244350532232
734063665140
oct7435037634
92550438342
101014251420
11480578116
12243807078
13132189b90
14989bb220
155e098e15
hex3c743f9c

1014251420 has 48 divisors (see below), whose sum is σ = 2621454528. Its totient is φ = 320993280.

The previous prime is 1014251389. The next prime is 1014251429. The reversal of 1014251420 is 241524101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1014251392 and 1014251401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1014251429) 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, 276821 + ... + 280460.

It is an arithmetic number, because the mean of its divisors is an integer number (54613636).

Almost surely, 21014251420 is an apocalyptic number.

1014251420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1014251420 is an abundant number, since it is smaller than the sum of its proper divisors (1607203108).

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

1014251420 is a wasteful number, since it uses less digits than its factorization.

1014251420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557310 (or 557308 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1014251420 is about 31847.3141724699. The cubic root of 1014251420 is about 1004.7280833296.

Adding to 1014251420 its reverse (241524101), we get a palindrome (1255775521).

The spelling of 1014251420 in words is "one billion, fourteen million, two hundred fifty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 557281 1114562 2229124 2786405 3900967 5572810 7244653 7801934 11145620 14489306 15603868 19504835 28978612 36223265 39009670 50712571 72446530 78019340 101425142 144893060 202850284 253562855 507125710 1014251420