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2057231550 = 23521123151359
BaseRepresentation
bin111101010011110…
…1101110010111110
312022101001012011010
41322213231302332
513203122402200
6540045340050
7101660115423
oct17247556276
95271035133
102057231550
11966287570
12494b67626
1326a29519a
14157315d4a
15c091a150
hex7a9edcbe

2057231550 has 192 divisors, whose sum is σ = 5862481920. Its totient is φ = 472560000.

The previous prime is 2057231521. The next prime is 2057231563. The reversal of 2057231550 is 551327502.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5730271 + ... + 5730629.

It is an arithmetic number, because the mean of its divisors is an integer number (30533760).

Almost surely, 22057231550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2057231550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2931240960).

2057231550 is an abundant number, since it is smaller than the sum of its proper divisors (3805250370).

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

2057231550 is a wasteful number, since it uses less digits than its factorization.

2057231550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 2057231550 is about 45356.7144974148. The cubic root of 2057231550 is about 1271.8260770964.

The spelling of 2057231550 in words is "two billion, fifty-seven million, two hundred thirty-one thousand, five hundred fifty".