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1109957480 = 23531895127
BaseRepresentation
bin100001000101000…
…1001101101101000
32212100120200102022
41002022021231220
54233122114410
6302050124012
736335324432
oct10212115550
92770520368
101109957480
1151a5a6535
1226b880608
13148c59098
14a75b1652
15676a1455
hex42289b68

1109957480 has 32 divisors (see below), whose sum is σ = 2577968640. Its totient is φ = 429660480.

The previous prime is 1109957479. The next prime is 1109957507. The reversal of 1109957480 is 847599011.

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, 446324 + ... + 448803.

It is an arithmetic number, because the mean of its divisors is an integer number (80561520).

Almost surely, 21109957480 is an apocalyptic number.

1109957480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1109957480 is an abundant number, since it is smaller than the sum of its proper divisors (1468011160).

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

1109957480 is a wasteful number, since it uses less digits than its factorization.

1109957480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895169 (or 895165 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1109957480 is about 33316.0243726649. The cubic root of 1109957480 is about 1035.3855845117.

The spelling of 1109957480 in words is "one billion, one hundred nine million, nine hundred fifty-seven thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 895127 1790254 3580508 4475635 7161016 8951270 17902540 27748937 35805080 55497874 110995748 138744685 221991496 277489370 554978740 1109957480