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420034501 = 1939195641
BaseRepresentation
bin11001000010010…
…011011111000101
31002021100222000101
4121002103133011
51330012101001
6105402444101
713260143245
oct3102233705
91067328011
10420034501
111a610a157
12b8803631
1369037633
143dadbb25
1526d1ea01
hex190937c5

420034501 has 8 divisors (see below), whose sum is σ = 442332800. Its totient is φ = 397755360.

The previous prime is 420034477. The next prime is 420034513. The reversal of 420034501 is 105430024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420034501 - 211 = 420032453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420034201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71641 + ... + 77281.

It is an arithmetic number, because the mean of its divisors is an integer number (55291600).

Almost surely, 2420034501 is an apocalyptic number.

It is an amenable number.

420034501 is a deficient number, since it is larger than the sum of its proper divisors (22298299).

420034501 is a wasteful number, since it uses less digits than its factorization.

420034501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9579.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 420034501 is about 20494.7432528441. The cubic root of 420034501 is about 748.9077440006.

Adding to 420034501 its reverse (105430024), we get a palindrome (525464525).

The spelling of 420034501 in words is "four hundred twenty million, thirty-four thousand, five hundred one".

Divisors: 1 19 3919 5641 74461 107179 22107079 420034501