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620634112 = 213779137
BaseRepresentation
bin100100111111100…
…010000000000000
31121020211110221121
4210333202000000
52232340242422
6141330202024
721244205620
oct4477420000
91536743847
10620634112
1129937165a
12153a23314
139b771827
145c5d8880
15397468c7
hex24fe2000

620634112 has 112 divisors (see below), whose sum is σ = 1446946560. Its totient is φ = 260702208.

The previous prime is 620634089. The next prime is 620634121. The reversal of 620634112 is 211436026.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4530108 + ... + 4530244.

Almost surely, 2620634112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620634112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723473280).

620634112 is an abundant number, since it is smaller than the sum of its proper divisors (826312448).

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

620634112 is an equidigital number, since it uses as much as digits as its factorization.

620634112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 620634112 is about 24912.5292172433. The cubic root of 620634112 is about 852.9925027756.

The spelling of 620634112 in words is "six hundred twenty million, six hundred thirty-four thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 79 112 128 137 158 224 256 274 316 448 512 548 553 632 896 959 1024 1096 1106 1264 1792 1918 2048 2192 2212 2528 3584 3836 4096 4384 4424 5056 7168 7672 8192 8768 8848 10112 10823 14336 15344 17536 17696 20224 21646 28672 30688 35072 35392 40448 43292 57344 61376 70144 70784 75761 80896 86584 122752 140288 141568 151522 161792 173168 245504 280576 283136 303044 323584 346336 491008 561152 566272 606088 647168 692672 982016 1122304 1132544 1212176 1385344 1964032 2265088 2424352 2770688 3928064 4530176 4848704 5541376 7856128 9697408 11082752 19394816 22165504 38789632 44331008 77579264 88662016 155158528 310317056 620634112