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420373995 = 3529966377
BaseRepresentation
bin11001000011100…
…110010111101011
31002022000012201020
4121003212113223
51330103431440
6105414023523
713263056106
oct3103462753
91068005636
10420373995
111a6321228
12b8947ba3
1369126012
143db8973d
1526d8a3d0
hex190e65eb

420373995 has 16 divisors (see below), whose sum is σ = 695792160. Its totient is φ = 216468224.

The previous prime is 420373991. The next prime is 420373999. The reversal of 420373995 is 599373024.

420373995 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (420373991) and next prime (420373999).

It is a cyclic number.

It is not a de Polignac number, because 420373995 - 22 = 420373991 is a prime.

It is a super-3 number, since 3×4203739953 (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (420373991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482754 + ... + 483623.

It is an arithmetic number, because the mean of its divisors is an integer number (43487010).

Almost surely, 2420373995 is an apocalyptic number.

420373995 is a deficient number, since it is larger than the sum of its proper divisors (275418165).

420373995 is a wasteful number, since it uses less digits than its factorization.

420373995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966414.

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 420373995 is about 20503.0240452476. The cubic root of 420373995 is about 749.1094585553.

The spelling of 420373995 in words is "four hundred twenty million, three hundred seventy-three thousand, nine hundred ninety-five".

Divisors: 1 3 5 15 29 87 145 435 966377 2899131 4831885 14495655 28024933 84074799 140124665 420373995