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229740552 = 233219295791
BaseRepresentation
bin11011011000110…
…01000000001000
3121000022000210100
431230121000020
5432303144202
634444045400
75456522346
oct1554310010
9530260710
10229740552
11108756528
1264b33860
133879b172
1422724996
151528141c
hexdb19008

229740552 has 96 divisors (see below), whose sum is σ = 677664000. Its totient is φ = 70035840.

The previous prime is 229740527. The next prime is 229740607. The reversal of 229740552 is 255047922.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36777 + ... + 42567.

It is an arithmetic number, because the mean of its divisors is an integer number (7059000).

Almost surely, 2229740552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229740552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338832000).

229740552 is an abundant number, since it is smaller than the sum of its proper divisors (447923448).

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

229740552 is a wasteful number, since it uses less digits than its factorization.

229740552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851 (or 5844 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 229740552 is about 15157.1947272574. The cubic root of 229740552 is about 612.4621013341.

It can be divided in two parts, 2297 and 40552, that added together give a square (42849 = 2072).

The spelling of 229740552 in words is "two hundred twenty-nine million, seven hundred forty thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 29 36 38 57 58 72 76 87 114 116 152 171 174 228 232 261 342 348 456 522 551 684 696 1044 1102 1368 1653 2088 2204 3306 4408 4959 5791 6612 9918 11582 13224 17373 19836 23164 34746 39672 46328 52119 69492 104238 110029 138984 167939 208476 220058 330087 335878 416952 440116 503817 660174 671756 880232 990261 1007634 1320348 1343512 1511451 1980522 2015268 2640696 3022902 3190841 3961044 4030536 6045804 6381682 7922088 9572523 12091608 12763364 19145046 25526728 28717569 38290092 57435138 76580184 114870276 229740552