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2057672430 = 2335113122349
BaseRepresentation
bin111101010100101…
…1001011011101110
312022101212120221000
41322221121123232
513203231004210
6540103021130
7101663632662
oct17251313356
95271776830
102057672430
11966558830
1249513a7a6
1326a3baa68
141573cc8a2
15c09a5ac0
hex7aa596ee

2057672430 has 128 divisors (see below), whose sum is σ = 6179328000. Its totient is φ = 482716800.

The previous prime is 2057672369. The next prime is 2057672497. The reversal of 2057672430 is 342767502.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80896 + ... + 103244.

It is an arithmetic number, because the mean of its divisors is an integer number (48276000).

Almost surely, 22057672430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2057672430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3089664000).

2057672430 is an abundant number, since it is smaller than the sum of its proper divisors (4121655570).

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

2057672430 is a wasteful number, since it uses less digits than its factorization.

2057672430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22407 (or 22401 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 2057672430 is about 45361.5743774398. The cubic root of 2057672430 is about 1271.9169245317.

The spelling of 2057672430 in words is "two billion, fifty-seven million, six hundred seventy-two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 31 33 45 54 55 62 66 90 93 99 110 135 155 165 186 198 270 279 297 310 330 341 465 495 558 594 682 837 930 990 1023 1395 1485 1674 1705 2046 2790 2970 3069 3410 4185 5115 6138 8370 9207 10230 15345 18414 22349 30690 44698 46035 67047 92070 111745 134094 201141 223490 245839 335235 402282 491678 603423 670470 692819 737517 1005705 1206846 1229195 1385638 1475034 2011410 2078457 2212551 2458390 3017115 3464095 3687585 4156914 4425102 6034230 6235371 6637653 6928190 7375170 7621009 10392285 11062755 12470742 13275306 15242018 18706113 20784570 22125510 22863027 31176855 33188265 37412226 38105045 45726054 62353710 66376530 68589081 76210090 93530565 114315135 137178162 187061130 205767243 228630270 342945405 411534486 685890810 1028836215 2057672430