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1421246060 = 2251321992113
BaseRepresentation
bin101010010110110…
…0111111001101100
310200001022210001222
41110231213321230
510402314333220
6353010122512
750135251343
oct12455477154
93601283058
101421246060
1166a290223
12337b80438
131985aa100
14d6a82b5a
1584b8ee25
hex54b67e6c

1421246060 has 72 divisors (see below), whose sum is σ = 3249640800. Its totient is φ = 521883648.

The previous prime is 1421246051. The next prime is 1421246069. The reversal of 1421246060 is 606421241.

It is an interprime number because it is at equal distance from previous prime (1421246051) and next prime (1421246069).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1421246069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 671564 + ... + 673676.

It is an arithmetic number, because the mean of its divisors is an integer number (45133900).

Almost surely, 21421246060 is an apocalyptic number.

1421246060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421246060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624820400).

1421246060 is an abundant number, since it is smaller than the sum of its proper divisors (1828394740).

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

1421246060 is a wasteful number, since it uses less digits than its factorization.

1421246060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1421246060 is about 37699.4172368752. The cubic root of 1421246060 is about 1124.3195384615.

The spelling of 1421246060 in words is "one billion, four hundred twenty-one million, two hundred forty-six thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 169 199 260 338 398 676 796 845 995 1690 1990 2113 2587 3380 3980 4226 5174 8452 10348 10565 12935 21130 25870 27469 33631 42260 51740 54938 67262 109876 134524 137345 168155 274690 336310 357097 420487 549380 672620 714194 840974 1428388 1681948 1785485 2102435 3570970 4204870 5466331 7141940 8409740 10932662 21865324 27331655 54663310 71062303 109326620 142124606 284249212 355311515 710623030 1421246060