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1400670108 = 223267718179
BaseRepresentation
bin101001101111100…
…1000011110011100
310121121121102011200
41103133020132130
510332032420413
6350553115500
746465333215
oct12337103634
93547542150
101400670108
11659707202
123310b8b90
131942547a6
14d404840c
1582e78573
hex537c879c

1400670108 has 72 divisors (see below), whose sum is σ = 3644484480. Its totient is φ = 453388320.

The previous prime is 1400670091. The next prime is 1400670119. The reversal of 1400670108 is 8010760041.

It is a happy number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 167163 + ... + 175341.

It is an arithmetic number, because the mean of its divisors is an integer number (50617840).

Almost surely, 21400670108 is an apocalyptic number.

1400670108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400670108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1822242240).

1400670108 is an abundant number, since it is smaller than the sum of its proper divisors (2243814372).

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

1400670108 is a wasteful number, since it uses less digits than its factorization.

1400670108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8327 (or 8322 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1400670108 is about 37425.5274912726. The cubic root of 1400670108 is about 1118.8673998996.

The spelling of 1400670108 in words is "one billion, four hundred million, six hundred seventy thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 67 71 134 142 201 213 268 284 402 426 603 639 804 852 1206 1278 2412 2556 4757 8179 9514 14271 16358 19028 24537 28542 32716 42813 49074 57084 73611 85626 98148 147222 171252 294444 547993 580709 1095986 1161418 1643979 1742127 2191972 2322836 3287958 3484254 4931937 5226381 6575916 6968508 9863874 10452762 19727748 20905524 38907503 77815006 116722509 155630012 233445018 350167527 466890036 700335054 1400670108