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52455700 = 225211431109
BaseRepresentation
bin1100100000011…
…0100100010100
310122201000200201
43020012210110
5101412040300
65112150244
71204603033
oct310064424
9118630621
1052455700
1127678820
1215698384
13ab3809b
146d7671a
15491266a
hex3206914

52455700 has 72 divisors (see below), whose sum is σ = 127179360. Its totient is φ = 18614400.

The previous prime is 52455631. The next prime is 52455701. The reversal of 52455700 is 755425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52455701) 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, 46746 + ... + 47854.

It is an arithmetic number, because the mean of its divisors is an integer number (1766380).

Almost surely, 252455700 is an apocalyptic number.

52455700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52455700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63589680).

52455700 is an abundant number, since it is smaller than the sum of its proper divisors (74723660).

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

52455700 is a wasteful number, since it uses less digits than its factorization.

52455700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 52455700 is about 7242.6307375152. The cubic root of 52455700 is about 374.3382700264.

The spelling of 52455700 in words is "fifty-two million, four hundred fifty-five thousand, seven hundred".

Divisors: 1 2 4 5 10 11 20 22 25 43 44 50 55 86 100 110 172 215 220 275 430 473 550 860 946 1075 1100 1109 1892 2150 2218 2365 4300 4436 4730 5545 9460 11090 11825 12199 22180 23650 24398 27725 47300 47687 48796 55450 60995 95374 110900 121990 190748 238435 243980 304975 476870 524557 609950 953740 1049114 1192175 1219900 2098228 2384350 2622785 4768700 5245570 10491140 13113925 26227850 52455700