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420458375392 = 251110969115859
BaseRepresentation
bin1100001111001010100…
…01011010100011100000
31111012021110121112001221
412013211101122203200
523342044321003032
6521053402104424
742243231136216
oct6074521324340
91435243545057
10420458375392
11152351878660
12695a27ab114
1330858c85c03
14164c92c6cb6
15ae0ca09597
hex61e545a8e0

420458375392 has 96 divisors (see below), whose sum is σ = 912690979200. Its totient is φ = 189078105600.

The previous prime is 420458375383. The next prime is 420458375411. The reversal of 420458375392 is 293573854024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26504359 + ... + 26520217.

It is an arithmetic number, because the mean of its divisors is an integer number (9507197700).

Almost surely, 2420458375392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420458375392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456345489600).

420458375392 is an abundant number, since it is smaller than the sum of its proper divisors (492232603808).

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

420458375392 is a wasteful number, since it uses less digits than its factorization.

420458375392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16680 (or 16672 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 420458375392 in words is "four hundred twenty billion, four hundred fifty-eight million, three hundred seventy-five thousand, three hundred ninety-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 109 176 218 352 436 691 872 1199 1382 1744 2398 2764 3488 4796 5528 7601 9592 11056 15202 15859 19184 22112 30404 31718 38368 60808 63436 75319 121616 126872 150638 174449 243232 253744 301276 348898 507488 602552 697796 828509 1205104 1395592 1657018 1728631 2410208 2791184 3314036 3457262 5582368 6628072 6914524 10958569 13256144 13829048 19014941 21917138 26512288 27658096 38029882 43834276 55316192 76059764 87668552 120544259 152119528 175337104 241088518 304239056 350674208 482177036 608478112 964354072 1194484021 1928708144 2388968042 3857416288 4777936084 9555872168 13139324231 19111744336 26278648462 38223488672 52557296924 105114593848 210229187696 420458375392