Search a number
-
+
1472664630 = 235471044443
BaseRepresentation
bin101011111000111…
…0001010000110110
310210122002010002110
41113301301100312
511004000232010
6402044151450
751331304613
oct12761612066
93718063073
101472664630
1169630a808
12351238586
131a61410b8
14dd82950a
158944a120
hex57c71436

1472664630 has 32 divisors (see below), whose sum is σ = 3609598464. Its totient is φ = 384354656.

The previous prime is 1472664619. The next prime is 1472664637. The reversal of 1472664630 is 364662741.

It is a happy number.

It is a super-2 number, since 2×14726646302 = 4337482224906073800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1472664637) 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, 520812 + ... + 523631.

It is an arithmetic number, because the mean of its divisors is an integer number (112799952).

Almost surely, 21472664630 is an apocalyptic number.

1472664630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1472664630 is an abundant number, since it is smaller than the sum of its proper divisors (2136933834).

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

1472664630 is a wasteful number, since it uses less digits than its factorization.

1472664630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044500.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 1472664630 is about 38375.3127674551. The cubic root of 1472664630 is about 1137.7179726390.

The spelling of 1472664630 in words is "one billion, four hundred seventy-two million, six hundred sixty-four thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 1044443 2088886 3133329 5222215 6266658 10444430 15666645 31333290 49088821 98177642 147266463 245444105 294532926 490888210 736332315 1472664630