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1122398130 = 235719127983
BaseRepresentation
bin100001011100110…
…0110111110110010
32220012222201210010
41002321212332302
54244313220010
6303212515350
736546140520
oct10271467662
92805881703
101122398130
11526623367
12273a7bb56
1314b6c3809
14a90cd310
156880c620
hex42e66fb2

1122398130 has 64 divisors (see below), whose sum is σ = 3094806528. Its totient is φ = 255195840.

The previous prime is 1122398113. The next prime is 1122398143. The reversal of 1122398130 is 318932211.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26119 + ... + 54101.

It is an arithmetic number, because the mean of its divisors is an integer number (48356352).

Almost surely, 21122398130 is an apocalyptic number.

1122398130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122398130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547403264).

1122398130 is an abundant number, since it is smaller than the sum of its proper divisors (1972408398).

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

1122398130 is a wasteful number, since it uses less digits than its factorization.

1122398130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28191.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1122398130 is about 33502.2108225711. The cubic root of 1122398130 is about 1039.2394988753.

The spelling of 1122398130 in words is "one billion, one hundred twenty-two million, three hundred ninety-eight thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 191 210 382 573 955 1146 1337 1910 2674 2865 4011 5730 6685 8022 13370 20055 27983 40110 55966 83949 139915 167898 195881 279830 391762 419745 587643 839490 979405 1175286 1958810 2938215 5344753 5876430 10689506 16034259 26723765 32068518 37413271 53447530 74826542 80171295 112239813 160342590 187066355 224479626 374132710 561199065 1122398130