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55415130 = 23597137139
BaseRepresentation
bin1101001101100…
…1000101011010
310212021101021020
43103121011122
5103141241010
65255423310
71242010101
oct323310532
9125241236
1055415130
112930a231
1216684b36
13b633124
147507038
154ce9470
hex34d915a

55415130 has 64 divisors (see below), whose sum is σ = 136321920. Its totient is φ = 14413824.

The previous prime is 55415099. The next prime is 55415161. The reversal of 55415130 is 3151455.

55415130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55415099) and next prime (55415161).

It is a self number, because there is not a number n which added to its sum of digits gives 55415130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 398601 + ... + 398739.

It is an arithmetic number, because the mean of its divisors is an integer number (2130030).

Almost surely, 255415130 is an apocalyptic number.

55415130 is an abundant number, since it is smaller than the sum of its proper divisors (80906790).

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

55415130 is a wasteful number, since it uses less digits than its factorization.

55415130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55415130 is about 7444.1339321643. The cubic root of 55415130 is about 381.2496486604.

Adding to 55415130 its reverse (3151455), we get a palindrome (58566585).

The spelling of 55415130 in words is "fifty-five million, four hundred fifteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 97 137 139 194 274 278 291 411 417 485 582 685 695 822 834 970 1370 1390 1455 2055 2085 2910 4110 4170 13289 13483 19043 26578 26966 38086 39867 40449 57129 66445 67415 79734 80898 95215 114258 132890 134830 190430 199335 202245 285645 398670 404490 571290 1847171 3694342 5541513 9235855 11083026 18471710 27707565 55415130