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420741522 = 232611372797
BaseRepresentation
bin11001000101000…
…000000110010010
31002022200212212100
4121011000012102
51330202212042
6105425541230
713266146445
oct3105000622
91068625770
10420741522
111a6552373
12b8aa4816
13692243a6
143dc4365c
1526e0e24c
hex19140192

420741522 has 48 divisors (see below), whose sum is σ = 933647832. Its totient is φ = 136892160.

The previous prime is 420741481. The next prime is 420741523. The reversal of 420741522 is 225147024.

It can be written as a sum of positive squares in 4 ways, for example, as 314672121 + 106069401 = 17739^2 + 10299^2 .

It is not an unprimeable number, because it can be changed into a prime (420741523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149028 + ... + 151824.

Almost surely, 2420741522 is an apocalyptic number.

420741522 is an abundant number, since it is smaller than the sum of its proper divisors (512906310).

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

420741522 is a wasteful number, since it uses less digits than its factorization.

420741522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 420741522 is about 20511.9848381379. The cubic root of 420741522 is about 749.3277068760.

Adding to 420741522 its reverse (225147024), we get a palindrome (645888546).

The spelling of 420741522 in words is "four hundred twenty million, seven hundred forty-one thousand, five hundred twenty-two".

Divisors: 1 2 3 6 9 18 61 122 137 183 274 366 411 549 822 1098 1233 2466 2797 5594 8357 8391 16714 16782 25071 25173 50142 50346 75213 150426 170617 341234 383189 511851 766378 1023702 1149567 1535553 2299134 3071106 3448701 6897402 23374529 46749058 70123587 140247174 210370761 420741522