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1253130500 = 225359107397
BaseRepresentation
bin100101010110001…
…0100000100000100
310020022222121212202
41022230110010010
510031300134000
6324202534032
743024301456
oct11254240404
93208877782
101253130500
115933a5546
122ab807318
1316c80774b
14bc6002d6
1575032dd5
hex4ab14104

1253130500 has 96 divisors (see below), whose sum is σ = 2816311680. Its totient is φ = 486921600.

The previous prime is 1253130479. The next prime is 1253130523. The reversal of 1253130500 is 50313521.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3156302 + ... + 3156698.

It is an arithmetic number, because the mean of its divisors is an integer number (29336580).

Almost surely, 21253130500 is an apocalyptic number.

1253130500 is a gapful number since it is divisible by the number (10) 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 1253130500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408155840).

1253130500 is an abundant number, since it is smaller than the sum of its proper divisors (1563181180).

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

1253130500 is a wasteful number, since it uses less digits than its factorization.

1253130500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1253130500 is about 35399.5833308812. The cubic root of 1253130500 is about 1078.1158563952.

The spelling of 1253130500 in words is "one billion, two hundred fifty-three million, one hundred thirty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 59 100 107 118 125 214 236 250 295 397 428 500 535 590 794 1070 1180 1475 1588 1985 2140 2675 2950 3970 5350 5900 6313 7375 7940 9925 10700 12626 13375 14750 19850 23423 25252 26750 29500 31565 39700 42479 46846 49625 53500 63130 84958 93692 99250 117115 126260 157825 169916 198500 212395 234230 315650 424790 468460 585575 631300 789125 849580 1061975 1171150 1578250 2123950 2342300 2506261 2927875 3156500 4247900 5012522 5309875 5855750 10025044 10619750 11711500 12531305 21239500 25062610 50125220 62656525 125313050 250626100 313282625 626565250 1253130500