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146995520 = 2657137479
BaseRepresentation
bin10001100001011…
…11100101000000
3101020121010221112
420300233211000
5300112324040
622330342452
73433304240
oct1060574500
9336533845
10146995520
1175a7aa01
124128aa28
13245b94c9
1415745b20
15cd89365
hex8c2f940

146995520 has 112 divisors (see below), whose sum is σ = 403799040. Its totient is φ = 49926144.

The previous prime is 146995477. The next prime is 146995531. The reversal of 146995520 is 25599641.

146995520 = T1 + T2 + ... + T958.

146995520 is a nontrivial binomial coefficient, being equal to C(960, 3).

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is the 958-th tetrahedral number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306641 + ... + 307119.

Almost surely, 2146995520 is an apocalyptic number.

146995520 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 146995520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201899520).

146995520 is an abundant number, since it is smaller than the sum of its proper divisors (256803520).

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

146995520 is a wasteful number, since it uses less digits than its factorization.

146995520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 146995520 is about 12124.1708994883. The cubic root of 146995520 is about 527.7578473319.

The spelling of 146995520 in words is "one hundred forty-six million, nine hundred ninety-five thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 137 140 160 224 274 280 320 448 479 548 560 685 958 959 1096 1120 1370 1916 1918 2192 2240 2395 2740 3353 3832 3836 4384 4790 4795 5480 6706 7664 7672 8768 9580 9590 10960 13412 15328 15344 16765 19160 19180 21920 26824 30656 30688 33530 38320 38360 43840 53648 61376 65623 67060 76640 76720 107296 131246 134120 153280 153440 214592 262492 268240 306880 328115 459361 524984 536480 656230 918722 1049968 1072960 1312460 1837444 2099936 2296805 2624920 3674888 4199872 4593610 5249840 7349776 9187220 10499680 14699552 18374440 20999360 29399104 36748880 73497760 146995520