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146625920 = 2757231423
BaseRepresentation
bin10001011110101…
…01010110000000
3101012220100221122
420233111112000
5300014012140
622314411412
73430204550
oct1057252600
9335810848
10146625920
1175848251
1241130b68
13244ba1cc
141568b160
15cd14ab5
hex8bd5580

146625920 has 128 divisors (see below), whose sum is σ = 418314240. Its totient is φ = 48052224.

The previous prime is 146625847. The next prime is 146625923. The reversal of 146625920 is 29526641.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146625923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102329 + ... + 103751.

It is an arithmetic number, because the mean of its divisors is an integer number (3268080).

Almost surely, 2146625920 is an apocalyptic number.

146625920 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 146625920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209157120).

146625920 is an abundant number, since it is smaller than the sum of its proper divisors (271688320).

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

146625920 is a wasteful number, since it uses less digits than its factorization.

146625920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 1460 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 146625920 is about 12108.9190268991. The cubic root of 146625920 is about 527.3151512725.

The spelling of 146625920 in words is "one hundred forty-six million, six hundred twenty-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 23 28 32 35 40 46 56 64 70 80 92 112 115 128 140 160 161 184 224 230 280 320 322 368 448 460 560 640 644 736 805 896 920 1120 1288 1423 1472 1610 1840 2240 2576 2846 2944 3220 3680 4480 5152 5692 6440 7115 7360 9961 10304 11384 12880 14230 14720 19922 20608 22768 25760 28460 32729 39844 45536 49805 51520 56920 65458 79688 91072 99610 103040 113840 130916 159376 163645 182144 199220 227680 229103 261832 318752 327290 398440 455360 458206 523664 637504 654580 796880 910720 916412 1047328 1145515 1275008 1309160 1593760 1832824 2094656 2291030 2618320 3187520 3665648 4189312 4582060 5236640 6375040 7331296 9164120 10473280 14662592 18328240 20946560 29325184 36656480 73312960 146625920