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1420251250 = 25411103291
BaseRepresentation
bin101010010100111…
…0101000001110010
310122222110020110011
41110221311001302
510402041020000
6352532525134
750123636125
oct12451650162
93588406404
101420251250
11669770870
123377807aa
1319831c372
14d68a43bc
1584a452ba
hex54a75072

1420251250 has 40 divisors (see below), whose sum is σ = 2904157872. Its totient is φ = 516450000.

The previous prime is 1420251233. The next prime is 1420251251. The reversal of 1420251250 is 521520241.

It is a super-2 number, since 2×14202512502 = 4034227226253125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1420251251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37896 + ... + 65395.

Almost surely, 21420251250 is an apocalyptic number.

1420251250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420251250 is an abundant number, since it is smaller than the sum of its proper divisors (1483906622).

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

1420251250 is a wasteful number, since it uses less digits than its factorization.

1420251250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103324 (or 103309 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1420251250 is about 37686.2209567370. The cubic root of 1420251250 is about 1124.0571524195.

Adding to 1420251250 its reverse (521520241), we get a palindrome (1941771491).

The spelling of 1420251250 in words is "one billion, four hundred twenty million, two hundred fifty-one thousand, two hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 125 250 275 550 625 1250 1375 2750 6875 13750 103291 206582 516455 1032910 1136201 2272402 2582275 5164550 5681005 11362010 12911375 25822750 28405025 56810050 64556875 129113750 142025125 284050250 710125625 1420251250