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1230788350 = 2521131371951
BaseRepresentation
bin100100101011100…
…0101011011111110
310011202221112012201
41021113011123332
510010040211400
6322044022114
742333346141
oct11127053376
93152845181
101230788350
11581825560
122a423193a
13167cb423c
14b9666058
15730bd06a
hex495c56fe

1230788350 has 96 divisors (see below), whose sum is σ = 2648973312. Its totient is φ = 421200000.

The previous prime is 1230788347. The next prime is 1230788357. The reversal of 1230788350 is 538870321.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230788357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 629875 + ... + 631825.

It is an arithmetic number, because the mean of its divisors is an integer number (27593472).

Almost surely, 21230788350 is an apocalyptic number.

1230788350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230788350 is an abundant number, since it is smaller than the sum of its proper divisors (1418184962).

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

1230788350 is a wasteful number, since it uses less digits than its factorization.

1230788350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042 (or 2037 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1230788350 is about 35082.5932621863. The cubic root of 1230788350 is about 1071.6701288587.

The spelling of 1230788350 in words is "one billion, two hundred thirty million, seven hundred eighty-eight thousand, three hundred fifty".

Divisors: 1 2 5 10 11 22 25 31 37 50 55 62 74 110 155 185 275 310 341 370 407 550 682 775 814 925 1147 1550 1705 1850 1951 2035 2294 3410 3902 4070 5735 8525 9755 10175 11470 12617 17050 19510 20350 21461 25234 28675 42922 48775 57350 60481 63085 72187 97550 107305 120962 126170 144374 214610 302405 315425 360935 536525 604810 630850 665291 721870 794057 1073050 1330582 1512025 1588114 1804675 2237797 3024050 3326455 3609350 3970285 4475594 6652910 7940570 11188985 16632275 19851425 22377970 24615767 33264550 39702850 49231534 55944925 111889850 123078835 246157670 615394175 1230788350