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2049906975 = 35248015693
BaseRepresentation
bin111101000101111…
…0001100100011111
312021212021001201120
41322023301210133
513144234010400
6535224342023
7101540631114
oct17213614437
95255231646
102049906975
119621344a6
12492614913
132688cc30c
1415636a90b
15bee6eca0
hex7a2f191f

2049906975 has 24 divisors (see below), whose sum is σ = 3390480912. Its totient is φ = 1092864000.

The previous prime is 2049906973. The next prime is 2049906977. The reversal of 2049906975 is 5796099402.

It is an interprime number because it is at equal distance from previous prime (2049906973) and next prime (2049906977).

It is not a de Polignac number, because 2049906975 - 21 = 2049906973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049906973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 357229 + ... + 362921.

It is an arithmetic number, because the mean of its divisors is an integer number (141270038).

Almost surely, 22049906975 is an apocalyptic number.

2049906975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2049906975 is a deficient number, since it is larger than the sum of its proper divisors (1340573937).

2049906975 is a wasteful number, since it uses less digits than its factorization.

2049906975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10507 (or 10502 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 2049906975 is about 45275.8983897614. The cubic root of 2049906975 is about 1270.3148773877.

The spelling of 2049906975 in words is "two billion, forty-nine million, nine hundred six thousand, nine hundred seventy-five".

Divisors: 1 3 5 15 25 75 4801 5693 14403 17079 24005 28465 72015 85395 120025 142325 360075 426975 27332093 81996279 136660465 409981395 683302325 2049906975