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102958740 = 223254331321
BaseRepresentation
bin1100010001100…
…00011010010100
321011201211211200
412020300122110
5202324134430
614114432500
72360064153
oct610603224
9234654750
10102958740
1153132475
122a592730
131843b441
14d96159a
15908b460
hex6230694

102958740 has 72 divisors (see below), whose sum is σ = 313266408. Its totient is φ = 27371520.

The previous prime is 102958721. The next prime is 102958759. The reversal of 102958740 is 47859201.

102958740 is a `hidden beast` number, since 10 + 29 + 587 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (102958721) and next prime (102958759).

It can be written as a sum of positive squares in 4 ways, for example, as 12404484 + 90554256 = 3522^2 + 9516^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 102958695 and 102958704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77280 + ... + 78600.

Almost surely, 2102958740 is an apocalyptic number.

102958740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102958740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156633204).

102958740 is an abundant number, since it is smaller than the sum of its proper divisors (210307668).

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

102958740 is a wasteful number, since it uses less digits than its factorization.

102958740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 102958740 is about 10146.8586271811. The cubic root of 102958740 is about 468.6922147435.

The spelling of 102958740 in words is "one hundred two million, nine hundred fifty-eight thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 433 866 1299 1321 1732 2165 2598 2642 3897 3963 4330 5196 5284 6495 6605 7794 7926 8660 11889 12990 13210 15588 15852 19485 19815 23778 25980 26420 38970 39630 47556 59445 77940 79260 118890 237780 571993 1143986 1715979 2287972 2859965 3431958 5147937 5719930 6863916 8579895 10295874 11439860 17159790 20591748 25739685 34319580 51479370 102958740