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1052510521 = 231491971559
BaseRepresentation
bin111110101111000…
…000100100111001
32201100111002000011
4332233000210321
54123420314041
6252234541521
735040122536
oct7657004471
92640432004
101052510521
114a0129807
122545978a1
1313a0941ba
149dad9d8d
1562604e81
hex3ebc0939

1052510521 has 16 divisors (see below), whose sum is σ = 1111968000. Its totient is φ = 994278208.

The previous prime is 1052510497. The next prime is 1052510533. The reversal of 1052510521 is 1250152501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1052510521 - 25 = 1052510489 is a prime.

It is a super-2 number, since 2×10525105212 = 2215556793631382882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1052510492 and 1052510501.

It is not an unprimeable number, because it can be changed into a prime (1052510551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 674340 + ... + 675898.

It is an arithmetic number, because the mean of its divisors is an integer number (69498000).

Almost surely, 21052510521 is an apocalyptic number.

It is an amenable number.

1052510521 is a deficient number, since it is larger than the sum of its proper divisors (59457479).

1052510521 is a wasteful number, since it uses less digits than its factorization.

1052510521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1052510521 is about 32442.4185442454. The cubic root of 1052510521 is about 1017.2057706009.

The spelling of 1052510521 in words is "one billion, fifty-two million, five hundred ten thousand, five hundred twenty-one".

Divisors: 1 23 149 197 1559 3427 4531 29353 35857 232291 307123 675119 5342693 7063829 45761327 1052510521