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109220608 = 28728707
BaseRepresentation
bin1101000001010…
…01001100000000
321121111222111201
412200221030000
5210430024413
614500550544
72464234300
oct640511400
9247458451
10109220608
115671a072
12306b2454
13198216a3
1410711600
1598c69dd
hex6829300

109220608 has 54 divisors (see below), whose sum is σ = 253637916. Its totient is φ = 46803456.

The previous prime is 109220593. The next prime is 109220669. The reversal of 109220608 is 806022901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8191 + ... + 16897.

Almost surely, 2109220608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109220608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126818958).

109220608 is an abundant number, since it is smaller than the sum of its proper divisors (144417308).

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

109220608 is an frugal number, since it uses more digits than its factorization.

109220608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8737 (or 8716 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 109220608 is about 10450.8663755691. The cubic root of 109220608 is about 478.0076678100.

The spelling of 109220608 in words is "one hundred nine million, two hundred twenty thousand, six hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 256 392 448 784 896 1568 1792 3136 6272 8707 12544 17414 34828 60949 69656 121898 139312 243796 278624 426643 487592 557248 853286 975184 1114496 1706572 1950368 2228992 3413144 3900736 6826288 7801472 13652576 15602944 27305152 54610304 109220608