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102461072 = 2471989541
BaseRepresentation
bin1100001101101…
…10111010010000
321010210120011112
412012312322100
5202212223242
614100032452
72352622220
oct606667220
9233716145
10102461072
115292257a
122a392728
13182c5a6c
14d872080
158eddc82
hex61b6e90

102461072 has 80 divisors (see below), whose sum is σ = 241948800. Its totient is φ = 41057280.

The previous prime is 102461063. The next prime is 102461083. The reversal of 102461072 is 270164201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189122 + ... + 189662.

It is an arithmetic number, because the mean of its divisors is an integer number (3024360).

Almost surely, 2102461072 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 102461072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120974400).

102461072 is an abundant number, since it is smaller than the sum of its proper divisors (139487728).

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

102461072 is a wasteful number, since it uses less digits than its factorization.

102461072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 102461072 is about 10122.3056662008. The cubic root of 102461072 is about 467.9358277609.

The spelling of 102461072 in words is "one hundred two million, four hundred sixty-one thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 89 112 133 152 178 266 304 356 532 541 623 712 1064 1082 1246 1424 1691 2128 2164 2492 3382 3787 4328 4984 6764 7574 8656 9968 10279 11837 13528 15148 20558 23674 27056 30296 41116 47348 48149 60592 71953 82232 94696 96298 143906 164464 189392 192596 287812 337043 385192 575624 674086 770384 914831 1151248 1348172 1829662 2696344 3659324 5392688 6403817 7318648 12807634 14637296 25615268 51230536 102461072