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470721430 = 25431094701
BaseRepresentation
bin11100000011101…
…010001110010110
31012210202010102001
4130003222032112
51431001041210
6114413105514
714444031454
oct3403521626
91183663361
10470721430
11221789a83
1211178829a
13766a35ba
14467339d4
152b4d303a
hex1c0ea396

470721430 has 16 divisors (see below), whose sum is σ = 867003984. Its totient is φ = 183909600.

The previous prime is 470721413. The next prime is 470721439. The reversal of 470721430 is 34127074.

It is a super-2 number, since 2×4707214302 = 443157329322489800, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470721439) 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, 546921 + ... + 547780.

It is an arithmetic number, because the mean of its divisors is an integer number (54187749).

Almost surely, 2470721430 is an apocalyptic number.

470721430 is a deficient number, since it is larger than the sum of its proper divisors (396282554).

470721430 is a wasteful number, since it uses less digits than its factorization.

470721430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094751.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 470721430 is about 21696.1155509460. The cubic root of 470721430 is about 777.8956151544.

The spelling of 470721430 in words is "four hundred seventy million, seven hundred twenty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 1094701 2189402 5473505 10947010 47072143 94144286 235360715 470721430