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528992990 = 25314736307
BaseRepresentation
bin11111100001111…
…100101011011110
31100212101121221222
4133201330223132
52040410233430
6124254053342
716052236421
oct3741745336
91325347858
10528992990
1125166a299
121291aa252
1385796906
14503819b8
15316939e5
hex1f87cade

528992990 has 32 divisors (see below), whose sum is σ = 1003843584. Its totient is φ = 200409120.

The previous prime is 528992987. The next prime is 528992993. The reversal of 528992990 is 99299825.

It is an interprime number because it is at equal distance from previous prime (528992987) and next prime (528992993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528992993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3584 + ... + 32723.

It is an arithmetic number, because the mean of its divisors is an integer number (31370112).

Almost surely, 2528992990 is an apocalyptic number.

528992990 is a deficient number, since it is larger than the sum of its proper divisors (474850594).

528992990 is a wasteful number, since it uses less digits than its factorization.

528992990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36392.

The product of its (nonzero) digits is 1049760, while the sum is 53.

The square root of 528992990 is about 22999.8476081908. The cubic root of 528992990 is about 808.7543674968.

The spelling of 528992990 in words is "five hundred twenty-eight million, nine hundred ninety-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 31 47 62 94 155 235 310 470 1457 2914 7285 14570 36307 72614 181535 363070 1125517 1706429 2251034 3412858 5627585 8532145 11255170 17064290 52899299 105798598 264496495 528992990