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2072722542 = 231131404887
BaseRepresentation
bin111101110001011…
…0011110001101110
312100110012012210120
41323202303301232
513221104110132
6541401345410
7102235564602
oct17342636156
95313165716
102072722542
11973aa8140
1249a198266
1327055a157
141593c9502
15c1e7a02c
hex7b8b3c6e

2072722542 has 16 divisors (see below), whose sum is σ = 4522303872. Its totient is φ = 628097720.

The previous prime is 2072722541. The next prime is 2072722571. The reversal of 2072722542 is 2452272702.

It is a super-2 number, since 2×20727225422 = 8592357472229883528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072722541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15702378 + ... + 15702509.

It is an arithmetic number, because the mean of its divisors is an integer number (282643992).

Almost surely, 22072722542 is an apocalyptic number.

2072722542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2072722542 is an abundant number, since it is smaller than the sum of its proper divisors (2449581330).

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

2072722542 is a wasteful number, since it uses less digits than its factorization.

2072722542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31404903.

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 2072722542 is about 45527.1626833915. The cubic root of 2072722542 is about 1275.0103891503.

The spelling of 2072722542 in words is "two billion, seventy-two million, seven hundred twenty-two thousand, five hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 31404887 62809774 94214661 188429322 345453757 690907514 1036361271 2072722542