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109890748 = 221121092083
BaseRepresentation
bin1101000110011…
…00110010111100
321122210000202201
412203030302330
5211113000443
614523201244
72503025122
oct643146274
9248700681
10109890748
1157037600
1230976224
13199c7716
1410847912
1599aa34d
hex68cccbc

109890748 has 36 divisors (see below), whose sum is σ = 213422440. Its totient is φ = 49468320.

The previous prime is 109890721. The next prime is 109890749. The reversal of 109890748 is 847098901.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 109890698 and 109890707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109890749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51715 + ... + 53797.

Almost surely, 2109890748 is an apocalyptic number.

It is an amenable number.

109890748 is a deficient number, since it is larger than the sum of its proper divisors (103531692).

109890748 is a wasteful number, since it uses less digits than its factorization.

109890748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218 (or 2205 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 109890748 is about 10482.8788030769. The cubic root of 109890748 is about 478.9833052208.

The spelling of 109890748 in words is "one hundred nine million, eight hundred ninety thousand, seven hundred forty-eight".

Divisors: 1 2 4 11 22 44 109 121 218 242 436 484 1199 2083 2398 4166 4796 8332 13189 22913 26378 45826 52756 91652 227047 252043 454094 504086 908188 1008172 2497517 4995034 9990068 27472687 54945374 109890748