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109455828 = 223139211311
BaseRepresentation
bin1101000011000…
…10100111010100
321121221221011120
412201202213110
5211010041303
614510003540
72466234126
oct641424724
9247857146
10109455828
115686a869
12307a65b0
13198a4781
1410773216
159921553
hex68629d4

109455828 has 48 divisors (see below), whose sum is σ = 259284480. Its totient is φ = 35935200.

The previous prime is 109455799. The next prime is 109455833. The reversal of 109455828 is 828554901.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 109455828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351793 + ... + 352103.

It is an arithmetic number, because the mean of its divisors is an integer number (5401760).

Almost surely, 2109455828 is an apocalyptic number.

It is an amenable number.

109455828 is an abundant number, since it is smaller than the sum of its proper divisors (149828652).

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

109455828 is a wasteful number, since it uses less digits than its factorization.

109455828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The square root of 109455828 is about 10462.1139355295. The cubic root of 109455828 is about 478.3505711824.

The spelling of 109455828 in words is "one hundred nine million, four hundred fifty-five thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 139 211 278 311 417 422 556 622 633 834 844 933 1244 1266 1668 1866 2532 3732 29329 43229 58658 65621 86458 87987 117316 129687 131242 172916 175974 196863 259374 262484 351948 393726 518748 787452 9121319 18242638 27363957 36485276 54727914 109455828