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1237013421 = 3758905401
BaseRepresentation
bin100100110111011…
…0101001110101101
310012012122210101220
41021232311032231
510013133412141
6322425253553
742440304060
oct11156651655
93165583356
101237013421
11585297546
122a63342b9
13169383807
14ba4068d7
15738ec766
hex49bb53ad

1237013421 has 8 divisors (see below), whose sum is σ = 1884972864. Its totient is φ = 706864800.

The previous prime is 1237013413. The next prime is 1237013461. The reversal of 1237013421 is 1243107321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1237013421 - 23 = 1237013413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1237013391 and 1237013400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1237013461) 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, 29452680 + ... + 29452721.

It is an arithmetic number, because the mean of its divisors is an integer number (235621608).

Almost surely, 21237013421 is an apocalyptic number.

It is an amenable number.

1237013421 is a deficient number, since it is larger than the sum of its proper divisors (647959443).

1237013421 is an equidigital number, since it uses as much as digits as its factorization.

1237013421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58905411.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1237013421 is about 35171.2015859567. The cubic root of 1237013421 is about 1073.4738527131.

The spelling of 1237013421 in words is "one billion, two hundred thirty-seven million, thirteen thousand, four hundred twenty-one".

Divisors: 1 3 7 21 58905401 176716203 412337807 1237013421