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630754432 = 2771163997
BaseRepresentation
bin100101100110001…
…000110010000000
31121221212122102021
4211212020302000
52242433120212
6142331131224
721426216130
oct4546106200
91557778367
10630754432
112a4054160
121572a3b14
13a08a6099
145dab0ac0
153a595307
hex25988c80

630754432 has 64 divisors (see below), whose sum is σ = 1566671040. Its totient is φ = 245744640.

The previous prime is 630754357. The next prime is 630754493. The reversal of 630754432 is 234457036.

It is a tau number, because it is divible by the number of its divisors (64).

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, 22143 + ... + 41854.

It is an arithmetic number, because the mean of its divisors is an integer number (24479235).

Almost surely, 2630754432 is an apocalyptic number.

It is an amenable number.

630754432 is an abundant number, since it is smaller than the sum of its proper divisors (935916608).

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

630754432 is a wasteful number, since it uses less digits than its factorization.

630754432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64029 (or 64017 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 630754432 is about 25114.8249446418. The cubic root of 630754432 is about 857.6039452740.

The spelling of 630754432 in words is "six hundred thirty million, seven hundred fifty-four thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 128 154 176 224 308 352 448 616 704 896 1232 1408 2464 4928 9856 63997 127994 255988 447979 511976 703967 895958 1023952 1407934 1791916 2047904 2815868 3583832 4095808 4927769 5631736 7167664 8191616 9855538 11263472 14335328 19711076 22526944 28670656 39422152 45053888 57341312 78844304 90107776 157688608 315377216 630754432