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1081654132 = 221331366457
BaseRepresentation
bin100000001111000…
…1011101101110100
32210101022201112011
41000132023231310
54203400413012
6255155334004
735542623406
oct10036135564
92711281464
101081654132
11505624839
122622b1304
13143129440
14a3924b76
1564e601a7
hex4078bb74

1081654132 has 24 divisors (see below), whose sum is σ = 2045045576. Its totient is φ = 497622528.

The previous prime is 1081654127. The next prime is 1081654181. The reversal of 1081654132 is 2314561801.

It can be written as a sum of positive squares in 4 ways, for example, as 105966436 + 975687696 = 10294^2 + 31236^2 .

It is a super-2 number, since 2×10816541322 = 2339951322545346848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1081654094 and 1081654103.

It is a congruent number.

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, 16953 + ... + 49504.

Almost surely, 21081654132 is an apocalyptic number.

It is an amenable number.

1081654132 is a deficient number, since it is larger than the sum of its proper divisors (963391444).

1081654132 is a wasteful number, since it uses less digits than its factorization.

1081654132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66787 (or 66785 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1081654132 is about 32888.5106382153. The cubic root of 1081654132 is about 1026.5091019134.

The spelling of 1081654132 in words is "one billion, eighty-one million, six hundred fifty-four thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 52 313 626 1252 4069 8138 16276 66457 132914 265828 863941 1727882 3455764 20801041 41602082 83204164 270413533 540827066 1081654132