Search a number
-
+
420805014 = 237179223251
BaseRepresentation
bin11001000101001…
…111100110010110
31002022211002221220
4121011033212112
51330211230024
6105431151210
713266532530
oct3105174626
91068732856
10420805014
111a6596043
12b8b15506
1369247266
143dc5c850
1526e22e79
hex1914f996

420805014 has 64 divisors (see below), whose sum is σ = 975421440. Its totient is φ = 118548000.

The previous prime is 420805003. The next prime is 420805019. The reversal of 420805014 is 410508024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420805019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1676389 + ... + 1676639.

It is an arithmetic number, because the mean of its divisors is an integer number (15240960).

Almost surely, 2420805014 is an apocalyptic number.

420805014 is an abundant number, since it is smaller than the sum of its proper divisors (554616426).

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

420805014 is a wasteful number, since it uses less digits than its factorization.

420805014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 420805014 is about 20513.5324603053. The cubic root of 420805014 is about 749.3653974131.

The spelling of 420805014 in words is "four hundred twenty million, eight hundred five thousand, fourteen".

Divisors: 1 2 3 6 7 14 21 42 179 223 251 358 446 502 537 669 753 1074 1253 1338 1506 1561 1757 2506 3122 3514 3759 4683 5271 7518 9366 10542 39917 44929 55973 79834 89858 111946 119751 134787 167919 239502 269574 279419 314503 335838 391811 558838 629006 783622 838257 943509 1175433 1676514 1887018 2350866 10019167 20038334 30057501 60115002 70134169 140268338 210402507 420805014