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3132213420 = 223579776883
BaseRepresentation
bin1011101010110001…
…1100100010101100
322002021210221001110
42322230130202230
522403321312140
61234450112020
7140422242360
oct27254344254
98067727043
103132213420
111368064336
12734b7b610
133abbc662b
14219dc12a0
15134ead380
hexbab1c8ac

3132213420 has 96 divisors (see below), whose sum is σ = 10126545408. Its totient is φ = 708544512.

The previous prime is 3132213397. The next prime is 3132213437. The reversal of 3132213420 is 243122313.

3132213420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×31322134203 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2299 + ... + 79181.

It is an arithmetic number, because the mean of its divisors is an integer number (105484848).

Almost surely, 23132213420 is an apocalyptic number.

3132213420 is a gapful number since it is divisible by the number (30) 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 3132213420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5063272704).

3132213420 is an abundant number, since it is smaller than the sum of its proper divisors (6994331988).

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

3132213420 is a wasteful number, since it uses less digits than its factorization.

3132213420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76999 (or 76997 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3132213420 is about 55966.1810381948. The cubic root of 3132213420 is about 1463.1329202976.

Adding to 3132213420 its reverse (243122313), we get a palindrome (3375335733).

The spelling of 3132213420 in words is "three billion, one hundred thirty-two million, two hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 97 105 140 194 210 291 388 420 485 582 679 970 1164 1358 1455 1940 2037 2716 2910 3395 4074 5820 6790 8148 10185 13580 20370 40740 76883 153766 230649 307532 384415 461298 538181 768830 922596 1076362 1153245 1537660 1614543 2152724 2306490 2690905 3229086 4612980 5381810 6458172 7457651 8072715 10763620 14915302 16145430 22372953 29830604 32290860 37288255 44745906 52203557 74576510 89491812 104407114 111864765 149153020 156610671 208814228 223729530 261017785 313221342 447459060 522035570 626442684 783053355 1044071140 1566106710 3132213420