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530703972 = 2232192573019
BaseRepresentation
bin11111101000011…
…110011001100100
31100222121112222200
4133220132121210
52041330011342
6124354454500
716102623621
oct3750363144
91328545880
10530703972
11252628827
12129894430
1385c45626
14506a9348
15318d094c
hex1fa1e664

530703972 has 72 divisors (see below), whose sum is σ = 1418071200. Its totient is φ = 166883328.

The previous prime is 530703949. The next prime is 530703989. The reversal of 530703972 is 279307035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174279 + ... + 177297.

Almost surely, 2530703972 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 530703972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709035600).

530703972 is an abundant number, since it is smaller than the sum of its proper divisors (887367228).

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

530703972 is a wasteful number, since it uses less digits than its factorization.

530703972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305 (or 3300 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 530703972 is about 23037.0130876379. The cubic root of 530703972 is about 809.6253777483.

The spelling of 530703972 in words is "five hundred thirty million, seven hundred three thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 257 342 514 684 771 1028 1542 2313 3019 3084 4626 4883 6038 9057 9252 9766 12076 14649 18114 19532 27171 29298 36228 43947 54342 57361 58596 87894 108684 114722 172083 175788 229444 344166 516249 688332 775883 1032498 1551766 2064996 2327649 3103532 4655298 6982947 9310596 13965894 14741777 27931788 29483554 44225331 58967108 88450662 132675993 176901324 265351986 530703972