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420307050 = 23523775731
BaseRepresentation
bin11001000011010…
…110000001101010
31002021212210212210
4121003112001222
51330044311200
6105412345550
713262356662
oct3103260152
91067783783
10420307050
111a62859a9
12b89152b6
13691016c7
143db6d1a2
1526d75650
hex190d606a

420307050 has 48 divisors (see below), whose sum is σ = 1070547552. Its totient is φ = 109051200.

The previous prime is 420307009. The next prime is 420307061. The reversal of 420307050 is 50703024.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32316 + ... + 43415.

It is an arithmetic number, because the mean of its divisors is an integer number (22303074).

Almost surely, 2420307050 is an apocalyptic number.

420307050 is an abundant number, since it is smaller than the sum of its proper divisors (650240502).

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

420307050 is a wasteful number, since it uses less digits than its factorization.

420307050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75783 (or 75778 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 420307050 is about 20501.3914161942. The cubic root of 420307050 is about 749.0696909550.

The spelling of 420307050 in words is "four hundred twenty million, three hundred seven thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 37 50 74 75 111 150 185 222 370 555 925 1110 1850 2775 5550 75731 151462 227193 378655 454386 757310 1135965 1893275 2271930 2802047 3786550 5604094 5679825 8406141 11359650 14010235 16812282 28020470 42030705 70051175 84061410 140102350 210153525 420307050