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1402300020 = 2235118923873
BaseRepresentation
bin101001110010101…
…0110011001110100
310121201200012222210
41103211112121310
510332442100040
6351052053420
746515232152
oct12345263164
93551605883
101402300020
1165a61a840
12331764270
131946a5634
14d43503d2
158319b480
hex53956674

1402300020 has 96 divisors (see below), whose sum is σ = 4331698560. Its totient is φ = 336117760.

The previous prime is 1402299967. The next prime is 1402300021. The reversal of 1402300020 is 200032041.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1402299969 and 1402300005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402300021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46804 + ... + 70676.

It is an arithmetic number, because the mean of its divisors is an integer number (45121860).

Almost surely, 21402300020 is an apocalyptic number.

1402300020 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 1402300020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2165849280).

1402300020 is an abundant number, since it is smaller than the sum of its proper divisors (2929398540).

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

1402300020 is a wasteful number, since it uses less digits than its factorization.

1402300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23985 (or 23983 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1402300020 is about 37447.2965646387. The cubic root of 1402300020 is about 1119.3012276017.

Adding to 1402300020 its reverse (200032041), we get a palindrome (1602332061).

The spelling of 1402300020 in words is "one billion, four hundred two million, three hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 89 110 132 165 178 220 267 330 356 445 534 660 890 979 1068 1335 1780 1958 2670 2937 3916 4895 5340 5874 9790 11748 14685 19580 23873 29370 47746 58740 71619 95492 119365 143238 238730 262603 286476 358095 477460 525206 716190 787809 1050412 1313015 1432380 1575618 2124697 2626030 3151236 3939045 4249394 5252060 6374091 7878090 8498788 10623485 12748182 15756180 21246970 23371667 25496364 31870455 42493940 46743334 63740910 70115001 93486668 116858335 127481820 140230002 233716670 280460004 350575005 467433340 701150010 1402300020