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720011425 = 52731132721
BaseRepresentation
bin101010111010101…
…000000010100001
31212011211100222211
4222322220002201
52433310331200
6155240202121
723561665450
oct5272500241
91764740884
10720011425
1133a478271
12181169341
13b6227a83
146b8a6b97
1543326aba
hex2aea80a1

720011425 has 24 divisors (see below), whose sum is σ = 1053281792. Its totient is φ = 477792000.

The previous prime is 720011423. The next prime is 720011429. The reversal of 720011425 is 524110027.

It is a happy number.

It is not a de Polignac number, because 720011425 - 21 = 720011423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 720011396 and 720011405.

It is not an unprimeable number, because it can be changed into a prime (720011423) 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, 60936 + ... + 71785.

Almost surely, 2720011425 is an apocalyptic number.

It is an amenable number.

720011425 is a deficient number, since it is larger than the sum of its proper divisors (333270367).

720011425 is a wasteful number, since it uses less digits than its factorization.

720011425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132769 (or 132764 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 720011425 is about 26833.0286214583. The cubic root of 720011425 is about 896.2856900317.

The spelling of 720011425 in words is "seven hundred twenty million, eleven thousand, four hundred twenty-five".

Divisors: 1 5 7 25 31 35 155 175 217 775 1085 5425 132721 663605 929047 3318025 4114351 4645235 20571755 23226175 28800457 102858775 144002285 720011425