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471728694 = 23194137971
BaseRepresentation
bin11100000111100…
…000001000110110
31012212122022010010
4130013200020312
51431230304234
6114450441050
714455425213
oct3407401066
91185568103
10471728694
11222307828
12111b93186
1376966c08
1446916b0a
152b6316e9
hex1c1e0236

471728694 has 16 divisors (see below), whose sum is σ = 993113280. Its totient is φ = 148966920.

The previous prime is 471728687. The next prime is 471728717. The reversal of 471728694 is 496827174.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2068872 + ... + 2069099.

It is an arithmetic number, because the mean of its divisors is an integer number (62069580).

Almost surely, 2471728694 is an apocalyptic number.

471728694 is an abundant number, since it is smaller than the sum of its proper divisors (521384586).

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

471728694 is a wasteful number, since it uses less digits than its factorization.

471728694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137995.

The product of its digits is 677376, while the sum is 48.

The square root of 471728694 is about 21719.3161494555. The cubic root of 471728694 is about 778.4500747400.

It can be divided in two parts, 4717 and 28694, that added together give a triangular number (33411 = T258).

The spelling of 471728694 in words is "four hundred seventy-one million, seven hundred twenty-eight thousand, six hundred ninety-four".

Divisors: 1 2 3 6 19 38 57 114 4137971 8275942 12413913 24827826 78621449 157242898 235864347 471728694